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entitled 'Military Personnel: DOD and the Services Need to take 
Additional Steps to Improve Mobilization Data for the Reserve 
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Report to Congressional Committees: 

United States Government Accountability Office: 

GAO: 

September 2006: 

Military Personnel: 

DOD and the Services Need to Take Additional Steps to Improve 
Mobilization Data for the Reserve Components: 

DOD's Deployment Data: 

GAO-06-1068: 

GAO Highlights: 

Highlights of GAO-06-1068, a report to congressional committees 

Why GAO Did This Study: 

GAO has previously reported on the Department of Defense’s (DOD) 
ability to track reservists deployed to the theater of operations and 
made recommendations. Reliable mobilization and deployment data are 
critical for making decisions about reserve force availability and 
medical surveillance. Because of broad congressional interest, GAO 
initiated a review under the Comptroller General’s authority to conduct 
evaluations on his own initiative to determine (1) what DOD data 
indicate are the number of reservists mobilized and deployed in support 
of the Global War on Terrorism (GWOT) and the selected demographic and 
deployment characteristics of those deployed and (2) whether DOD’s 
reserve deployment and mobilization data and analyses are reliable. GAO 
analyzed data and data analyses from DOD’s Contingency Tracking System 
(CTS) and interviewed agency officials. 

What GAO Found: 

GAO’s analysis of DOD data indicates that more than 531,000 reservists 
have been mobilized in support of GWOT as of June 30, 2006, and more 
than 378,000 reservists, or 71 percent of the number mobilized, have 
been deployed. The number of reservists deployed increased through 
fiscal year 2003 and remained stable through fiscal year 2005. The 
majority of reservists have been deployed once. GAO’s analysis further 
indicates that of the more than 378,000 reservists who have deployed in 
support of GWOT, 81 percent have spent a year or less deployed and 17 
percent of reservists have spent more than 1 year but less than 2 years 
deployed. Of those who deployed, almost 98 percent were U.S. citizens. 
Since GWOT began, about 78 percent of reservists who were deployed were 
White, about 14 percent were Black or African American, and almost 90 
percent identified themselves as non-Hispanic and 8 percent as 
Hispanic. Of those who were deployed, 89 percent were male and 11 
percent were female. There were three variables—volunteer status, 
location deployed, and unit deployed—required by DOD policy for which 
the Defense Manpower Data Center (DMDC) could not provide data because 
the data either did not exist or were not reliable enough for the 
purposes of GAO’s report. 

GAO found the deployment and mobilization data used to be reliable for 
providing descriptive information. However, the mobilization data, some 
deployment data fields, and DMDC’s processes for data analyses need 
improvement. DMDC and the services have recently taken steps to improve 
the reliability of mobilization data; however, additional steps are 
needed to make mobilization data more reliable. DMDC and the services 
have undertaken a large-scale, challenging effort to replace all 
previous service-provided mobilization data in DMDC’s CTS database with 
new data from the services, referred to as “rebaselining.” To date, the 
Air Force has certified that it has rebaselined its data and Navy 
officials say they have validated their personnel files and established 
a common baseline of data with DMDC. The Army, which has mobilized the 
largest number of reservists, has not completed its rebaselining effort 
and has not set a deadline for completion. Also, DOD has not fully 
addressed other data issues that could affect the accuracy and 
completeness of the data, such as standardizing the use of key terms 
and ensuring that the services address data issues identified by DMDC 
as well as provide data for all required data fields, such as location, 
to DMDC. Also, because the data analyses DMDC provided had numerous 
errors, GAO questions the effectiveness of its verification procedures 
and other supporting procedures, all of which DMDC has not documented. 
Until DOD addresses data issues and DMDC documents the internal control 
procedures it uses to analyze data and verify its analyses of the data, 
the information provided to decision makers within Congress and DOD may 
be unreliable and decision makers will not be in the best position to 
make informed decisions about reserve force availability and 
reservists’ exposure to health hazards. 

What GAO Recommends: 

GAO is recommending that DOD standardize the use of key terms; provide 
required data, such as location; and document its internal procedures, 
processes, and assumptions for analyzing and verifying data analyses. 
DOD generally concurred except for the need for DMDC to document its 
assumptions. GAO believes that basic key assumptions should be 
documented. 

[Hyperlink, http://www.gao.gov/cgi-bin/getrpt?GAO-06-1068]. 

To view the full product, including the scope and methodology, click on 
the link above. For more information, contact Derek Stewart at (202) 
512-5559 or stewartd@gao.gov. 

[End of Section] 

Contents: 

Letter: 

Results in Brief: 

Background: 

DOD Data Show Demographic and Deployment Characteristics of Hundreds of 
Thousands of Reservists Deployed in Support of GWOT: 

DOD and the Services Have Taken Steps to Improve the Reliability of 
Reserve Component Data, but More Needs to Be Done: 

Conclusions: 

Recommendations for Executive Action: 

Agency Comments and Our Evaluation: 

Appendix I: Scope and Methodology: 

Appendix II: Data on Reservists Deployed in Support of GWOT through 
June 30, 2006: 

Appendix III: Comments from the Department of Defense: 

Appendix IV: GAO Contact and Staff Acknowledgments: 

Tables: 

Table 1: Citizenship Status of Reservists Deployed in Support of the 
Global War on Terrorism by Fiscal Year through June 30, 200620: 

Table 2: Race of Reservists Deployed in Support of the Global War on 
Terrorism through June 30, 2006: 

Table 3: Ethnicity of Reservists Deployed in Support of the Global War 
on Terrorism through June 30, 2006: 

Table 4: Gender of Reservists Deployed in Support of the Global War on 
Terrorism by Reserve Component through June 30, 2006: 

Table 5: Reserve Component Categories for Reservists Deployed in 
Support of the Global War on Terrorism by Fiscal Year through June 30, 
2006: 

Table 6: State, Territories, and Armed Forces Areas of Residence for 
Reservists Deployed in Support of the Global War on Terrorism through 
June 30, 2006: 

Figures: 

Figure 1: Organizational Hierarchy for DOD's Defense Manpower Data 
Center9: 

Figure 2: Reservists Mobilized and Deployed in Support of the Global 
War on Terrorism through June 30, 2006: 

Figure 3: Reservists Mobilized in Support of the Global War on 
Terrorism by Fiscal Year through June 30, 2006: 

Figure 4: Reservists Deployed in Support of the Global War on Terrorism 
by Fiscal Year through June 30, 2006: 

Figure 5: Number of Reservists Who Have Deployed One, Two, or Three or 
More Times in Support of the Global War on Terrorism through June 30, 
2006: 

Figure 6: Number of Reservists Who Have Spent 1 Year or Less, 1 to 2 
Years, or More Than 2 Years Deployed in Support of the Global War on 
Terrorism through June 30, 2006: 

Figure 7: Percentage of Reservists Deployed in the Selected Reserve in 
Support of the Global War on Terrorism through June 30, 2006: 

Figure 8: Citizenship Status of Reservists at the Time of Their Most 
Current Deployment in Support of the Global War on Terrorism through 
June 30, 2006: 

Figure 9: Number of Reservists Deployed in Support of the Global War on 
Terrorism by State through June 30, 2006: 

Abbreviations: 

CTS: Contingency Tracking System: 

DEERS: Defense Eligibility Enrollment Reporting System: 

DFAS: Defense Finance and Accounting Service: 

DIMHRS: Defense Integrated Military Human Resource System: 

DMDC: Defense Manpower Data Center: 

DOD: Department of Defense: 

GWOT: Global War on Terrorism: 

RCCPDS: Reserve Components Common Personnel Data System: 

USD (P&R): Under Secretary of Defense, Personnel and Readiness: 

United States Government Accountability Office: 
Washington, DC 20548: 

September 20, 2006: 

Congressional Committees: 

Since President Bush signed an Executive Order establishing the Global 
War on Terrorism (GWOT)[Footnote 1] on September 14, 2001, hundreds of 
thousands of National Guard and Reserve servicemembers[Footnote 2] have 
been activated, mobilized, and deployed[Footnote 3] in support of 
efforts in, among other places, Afghanistan and Iraq. As the Department 
of Defense (DOD) continues to rely on about 1.3 million reservists to 
carry out its military operations domestically and abroad, there 
continues to be congressional interest in the impact of GWOT on reserve 
employment, income change, medical and health status of reservists, and 
other issues. 

For decades, DOD has been collecting and reporting information on 
active duty and reserve component servicemembers. However, it was not 
until October 2001, less than a month after the terrorist attacks, that 
DOD emphasized the need for the services to specifically report 
information about mobilized and deployed reservists who support 
contingencies.[Footnote 4] While DOD has been collecting this 
information, several reports have emphasized information about 
reservists who have been mobilized, not deployed. Further, some of our 
prior reports[Footnote 5] have raised concerns about DOD's ability to 
effectively track reservists who are being deployed to the theater of 
operation. Information about reservists' deployments is needed to 
assess reserve force availability and to link reservists' locations 
with exposure to medical hazards. Our past work has also confirmed that 
it is critical that DOD collect, maintain, and report reliable 
information on deployed reservists. In our experience, the data that 
DOD has reported in the past about the number of reservists who have 
been mobilized and deployed have not been consistent because, for 
example, the data used came from different or varied sources and the 
analyses performed were based on different analytical assumptions. 

This report, initiated under the Comptroller General's authority to 
conduct evaluations on his own initiative, addressed the following 
issues: (1) what DOD data indicate are the number of reservists 
mobilized and deployed in support of GWOT and the selected demographic 
and deployment characteristics of those deployed and (2) whether DOD's 
reserve deployment and mobilization data and analyses are reliable. 

For this report, we used data provided by the Defense Manpower Data 
Center (DMDC), which is DOD's repository for departmentwide data. We 
outline the major assumptions we used to analyze the data in the scope 
and methodology section of this report (see app. I). Specifically, to 
address our objectives, we obtained and analyzed data from DMDC's 
Contingency Tracking System (CTS). CTS is DMDC's system that brings 
together data about GWOT from many sources and, according to a senior 
DMDC official, is the only source of these data within DOD. The Joint 
Staff's Manpower and Personnel office is working toward using only CTS 
data to determine reserve force availability for future operations. We 
also performed reliability assessments on the data after obtaining an 
understanding of the data file structure and the sources of the data. 
Specifically, we (1) performed electronic testing of the data files for 
completeness (that is, missing data), out-of-range values, and dates 
outside of valid time frames; (2) assessed the relationships among data 
elements; and (3) worked with agency officials to identify data 
problems, such as which variables may be unreliable. We also analyzed 
the extent to which data provided by DMDC changed during this review as 
a result of DMDC's data cleaning effort, known as a rebaselining. Using 
applicable guidance,[Footnote 6] we interviewed knowledgeable officials 
at DMDC about internal control procedures and other matters. In 
addition to the officials at DMDC, we also interviewed knowledgeable 
officials from the services, the Office of the Assistant Secretary of 
Defense for Reserve Affairs, and the Joint Chiefs of Staff Manpower and 
Personnel office. The data we report are sufficiently reliable for our 
purposes (that is, providing descriptive information) with one caveat. 
Since the Army is in the process of updating its mobilization data, we 
could not assess the reliability of the Army's mobilization data to the 
same extent as those of the other services. In comparing our analyses 
of the data with the analyses reported by DMDC, we determined that 
DMDC's analyses were not sufficiently reliable for this report. We 
performed our audit work from December 2005 through August 2006 in 
accordance with generally accepted government auditing standards. A 
more thorough description of our scope and methodology is provided in 
appendix I. 

Results in Brief: 

Our analysis of DOD data indicates that more than 531,000 reservists 
have been mobilized in support of GWOT and more than 378,000 
reservists, or almost 71 percent of the number mobilized, have been 
deployed in support of GWOT as of June 30, 2006. The Army National 
Guard has mobilized and deployed the greatest number of reservists-- 
more than 230,000 have been mobilized and more than 163,000 have been 
deployed. The Navy Reserve had the fewest number of reservists 
mobilized--with about 29,000 reservists--while the Marine Corps Reserve 
had the fewest number deployed with about 19,000 reservists. The number 
of reservists mobilized increased through fiscal year 2003 and has 
declined since then, while the number of reservists deployed increased 
through fiscal year 2003 and then remained stable through fiscal year 
2005. In addition, the majority of reservists have been deployed once, 
and of those deployed in support of GWOT, most--about 307,000 
reservists, or 81 percent--have spent a year or less deployed. 
Alternatively, more than 65,000 reservists, or 17 percent, have spent 
more than 1 year but less than 2 years deployed, and about 6,000 
reservists, or fewer than 2 percent, have spent more than 2 years 
deployed. The majority of those deployed were part of the Selected 
Reserve[Footnote 7] and almost 98 percent were U.S. citizens. Since 
GWOT began, about 78 percent of reservists who were deployed were 
White; about 14 percent were Black or African American; about 2 percent 
were Asian, Native Hawaiian, or Other Pacific Islander; and about 1 
percent were American Indian or Alaskan Native. Almost 90 percent 
identified themselves as non-Hispanic and 8 percent as Hispanic. Of 
those deployed, 89 percent were male and 11 percent were female, and 39 
percent came from states in the southern[Footnote 8] United States, 23 
percent from the midwest[Footnote 9], 18 percent from states in the 
western[Footnote 10] United States, and 15 percent came from states in 
the northeast.[Footnote 11] There were three variables--volunteer 
status[Footnote 12], location deployed, and deploying unit--required by 
DOD policy for which DMDC could not provide data either because the 
data did not exist or because they were not reliable enough for the 
purposes of this report. 

We found the deployment and mobilization data we used to be reliable 
for providing descriptive information. However, the mobilization data, 
some deployment data fields, and DMDC's processes for data analyses 
need improvement. DMDC and the services have recently taken steps to 
improve the reliability of mobilization data; however, additional steps 
are needed to make mobilization data and DMDC's analyses of 
mobilization and deployment data more reliable, as is required by DOD 
policy and federal government internal control standards. DMDC and the 
services have undertaken an effort to "rebaseline" or replace all 
previous service-provided mobilization data in DMDC's database with new 
data from the services. To date, the Navy has validated its reserve 
component data file and the Air Force has certified that it has 
rebaselined its reserve component data. However, the Army, which has 
mobilized and deployed the largest number of reservists, has not 
completed its rebaselining effort and has not provided a time frame for 
doing so. We recognize that the rebaselining effort is a considerable 
undertaking replete with numerous challenges and that it is a positive 
step in improving the reliability of the data. However, even if the 
rebaselining effort were complete, outstanding issues with certain data 
definitions across the services would continue to affect the accuracy 
and completeness of the data. For example, the use of the terms 
"activated," "mobilized," and "deployed" is not standardized within and 
among the services. Similarly, there is variability across the services 
in the completeness of other variables and data fields, such as 
volunteer status, deployment location, and deploying unit. Along with 
the rebaselining effort, ensuring that the services address these data 
issues and provide all required data to DMDC is an important step in 
improving the reliability of the data. With respect to DMDC's 
quantitative analyses of its CTS data, DMDC has not documented many of 
its procedures, including those for verifying the data analyses it 
provides to its customers. Because the data analyses DMDC provided to 
us had numerous errors--including overcounting the number of 
reservists' deployments as well as overcounting the number of days some 
reservists were deployed--and were thus unreliable, we question the 
effectiveness of its verification procedures and other supporting 
internal control procedures for ensuring accurate reporting. Federal 
internal control standards require that data control activities, such 
as edit checks, verifications, and reconciliations, be conducted and 
documented to help provide reasonable assurance that agency objectives 
are being met. Until DOD addresses continuing data definition issues 
and DMDC documents the internal control procedures it uses to analyze 
data and verify its analyses of data, the information provided to 
decision makers within Congress and DOD may be unreliable. Without 
reliable data and analyses, decision makers will not be in the best 
position to make informed decisions that are grounded in accurate and 
complete information about reserve component force availability and 
medical surveillance issues. 

We are making recommendations to the Secretary of Defense to provide 
guidance to the services to (1) better define and standardize the use 
of key terms, like deployment, and (2) provide all required data, such 
as volunteer status and location deployed, to DMDC as well as address 
data inconsistencies identified by DMDC. We are also recommending that 
DMDC document its internal procedures and processes, including the 
assumptions it uses in its data analyses. The Under Secretary of 
Defense, Personnel and Readiness provided written comments on a draft 
of the report. In its comments, DOD generally concurred with our 
recommendations, except for the recommendation to collaborate with 
other DOD offices on the reasonableness of the assumptions established 
and used by DMDC in its data analyses. DOD stated that DMDC is a 
support organization and that each organization that requests reports 
provides the assumptions that DMDC uses to develop the reports. 
However, our audit work showed that DMDC has established and uses some 
basic assumptions in analyzing data and that DMDC may not always 
discuss these assumptions with other DOD offices, such as Reserve 
Affairs. As a result, we continue to emphasize the need for DMDC to 
document these assumptions and to collaborate with these offices to 
ensure a common understanding of these assumptions. DOD stated it has 
taken some action on the other recommendations. DOD also provided 
technical comments, which we have incorporated in the report, as 
appropriate. DOD's comments are reprinted in their entirety in appendix 
III of this report. 

Background: 

In 1975, DOD implemented the Reserve Components Common Personnel Data 
System (RCCPDS)[Footnote 13] to collect information on current and past 
members of the six reserve components--Army National Guard, Air 
National Guard, Army Reserve, Navy Reserve, Marine Corps Reserve, and 
Air Force Reserve. This information included data on reservists' 
personal characteristics, such as name, Social Security number, date of 
birth, gender, home address, and education, as well as data on their 
military characteristics, such as service, reserve component, prior 
service status, and date of initial entry into the reserve forces. 
According to the director of DMDC, the services send daily, weekly, and 
monthly updated data submissions to DMDC in accordance with applicable 
guidance.[Footnote 14] 

After the first Gulf War, in a May 15, 1991, memorandum,[Footnote 15] 
DOD identified 16 recommendations requiring action by many offices 
within DOD regarding Desert Storm personnel data issues. For example, 
the memorandum said that DOD should consistently report on who 
participated in the operations and cites examples of key terms, such as 
in theater, that were being interpreted differently by DMDC, the Office 
of the Secretary of Defense, and the services. In December 
1991,[Footnote 16] DOD reported on how DMDC provided information about 
operations Desert Shield and Desert Storm. This report cited areas for 
improvement. For example, the report indicated that DMDC created 
makeshift procedures to establish and maintain the new data sources and 
to accommodate varied data requests. The report cited that these 
procedures sometimes resulted in inconsistent or incomplete data being 
provided in response to a request. On May 2, 2001, DOD updated guidance 
to the military services, among others, to maintain a centralized 
database of active duty personnel.[Footnote 17] In this guidance, DOD 
requires the services to report personnel information about all active 
duty military servicemembers as well as reservists who are ordered to 
active duty. While this instruction called for the services to report 
information about servicemembers on active duty in support of a 
contingency, the requirements for reporting contingency data were not 
specific. 

On October 4, 2001, the Under Secretary of Defense, Personnel and 
Readiness (USD (P&R)),[Footnote 18] issued a memorandum[Footnote 19] 
that required the services to report personnel information to DMDC on 
all active and reserve component personnel mobilized or deployed in 
support of GWOT, in accordance with DOD guidance.[Footnote 20] The 
purpose of GWOT data was, among other things, to establish eligibility 
for benefits and entitlements as a result of participation in the named 
contingencies.[Footnote 21] The information is critical because it 
provides a historical database with which to assess the impact of 
policies and processes, events, and exposures on the health of deployed 
reserve component servicemembers. DMDC was tasked with providing 
reporting guidance to the services for these data submissions. DMDC 
sent this guidance to the services on October 12, 2001. 

DMDC is a civilian-led agency with a mission to deliver timely and 
quality support to its customers, and to ensure that data received from 
different sources are consistent, accurate, and appropriate when used 
to respond to inquiries. DMDC reports to the Deputy Under Secretary of 
Defense for Program Integration, who is in the Office of the USD (P&R) 
(see fig. 1). 

Figure 1: Organizational Hierarchy for DOD's Defense Manpower Data 
Center: 

[See PDF for image] 

Source: GAO analysis of DOD data. 

[End of figure] 

In February 2002, USD (P&R) reminded the services in another memorandum 
of its earlier requirement for reporting personnel data to DMDC and 
informed the services that they had 2 weeks to provide plans to DMDC on 
how they were going to correct any personnel data reporting problems. 
On August 6, 2004, DOD updated prior guidance regarding RCCPDS[Footnote 
22] to include an enclosure[Footnote 23] that set out specific 
requirements for the services to report personnel information for all 
reserve component servicemembers supporting a named contingency, unlike 
previous guidance.[Footnote 24] The purpose of the new enclosure was to 
ensure more accurate reporting on a named contingency, such as GWOT 
missions, as well as to establish eligibility for benefits and 
entitlements, and to develop a registry of participants for tracking in 
support of research and evaluation of DOD programs and policies. 
According to DOD officials, the services, in general, were still 
reporting data according to previous guidance for a few years after the 
new guidance was issued. 

In August 2004, DMDC began operation of its CTS database to address 
DOD's reporting requirements, including those in the new enclosure 
(that is, enclosure 11). The CTS database is DOD's repository for 
collecting activation, mobilization, and deployment data for reservists 
who have served and continue to serve in support of GWOT. The CTS 
database contains both an activation file, which contains mobilization 
data, and a deployment file. Both files are updated monthly by service 
submissions and cover GWOT from September 11, 2001, to the present. The 
purpose of the activation file is to account for and provide medical 
and educational benefits for all reservists called to active duty in 
support of GWOT contingencies, and it allows DOD to provide data on the 
number of reservists who have been mobilized in support of GWOT. The 
purpose of the CTS deployment file is to account for a deployed 
servicemember's deployment date and location during each deployment 
event in support of deployment health surveillance and DOD 
guidance.[Footnote 25] The database is also used to track and report 
the number of reservists who have been deployed in support of GWOT 
since September 11, 2001. 

DOD Data Show Demographic and Deployment Characteristics of Hundreds of 
Thousands of Reservists Deployed in Support of GWOT: 

Our analysis of DOD data indicates that more than 531,000 reservists 
have been mobilized in support of GWOT and more than 378,000 
reservists, or about 71 percent of the number mobilized, have been 
deployed in support of GWOT through June 30, 2006 (see fig. 2). The 
Army National Guard deployed the greatest number of reservists in 
support of GWOT from September 2001 through June 30, 2006, and, of 
those, the majority were deployed once. The data also indicate that the 
vast majority of reservists who deployed in support of GWOT were U.S. 
citizens, White, and male. Further, the data indicate that most of the 
reservists spent 1 year or less deployed. 

DOD guidance[Footnote 26] requires the services to report timely, 
accurate, and complete activation, mobilization,[Footnote 27] and 
deployment data. DOD guidance also requires DMDC to collect and 
maintain mobilization and deployment data from the services about the 
reservists. DOD is required by policy to report personnel data about 
reservists, such as service, service component, reserve component 
category, race, ethnicity, gender, citizenship status, occupation, 
unit, and volunteer status regarding a current mobilization.[Footnote 
28] In addition, DOD is required by policy to capture deployment 
information such as the location a reservist is deployed to and the 
dates the reservist was deployed to that location.[Footnote 29] 

DOD Data on Selected Demographic and Deployment Variables: 

Number of Reservists Mobilized and Deployed: 

Our analysis of DOD data indicates that more than 531,000 reservists 
have been mobilized in support of GWOT and more than 378,000 
reservists, or 71 percent of the number mobilized, have been deployed 
in support of GWOT through June 30, 2006 (see fig. 2). The number of 
mobilizations and deployments peaked in fiscal year 2003 with about 
206,000 reservists mobilized and about 127,000 reservists deployed (see 
figs. 3 and 4). Since fiscal year 2003, the total number of 
mobilizations has declined, while the number of deployments remained 
stable through fiscal year 2005. The Army National Guard has mobilized 
and deployed the greatest number of reservists--more than 230,000 
mobilized and more than 163,000 deployed. The Navy Reserve had the 
least number of reservists mobilized--with about 29,000--while the 
Marine Corps Reserve had the fewest number deployed with about 19,000 
reservists (see fig. 2). The percentage of the total reservists 
mobilized or deployed varies across the fiscal years (see figs. 3 and 
4). For example, looking at the percentage of mobilizations by 
component each year, Navy Reserve, Air Force Reserve, and Air National 
Guard mobilizations occurred early in GWOT and have generally declined 
over time. Conversely, the percentage of Army National Guard and Army 
Reserve mobilizations has generally increased over time. The greatest 
number of Army National Guard deployments--more than 60,000--occurred 
in fiscal year 2005 (see table 5 totals in app. II), while also in 
fiscal year 2005, the Army National Guard represented the largest 
deploying component, with 52 percent of deployments belonging to it 
(see fig. 4). 

Figure 2: Reservists Mobilized and Deployed in Support of the Global 
War on Terrorism through June 30, 2006: 

[See PDF for image] 

Source: GAO analysis of DOD data. 

Note: Army mobilization data may change moderately upon completion of 
the Army's rebaselining efforts with DMDC. Reservists were only counted 
once to identify the total number of individuals who have been 
mobilized and deployed in support of GWOT. Totals may not add to 100 
percent because of rounding. 

[End of figure] 

Figure 3: Reservists Mobilized in Support of the Global War on 
Terrorism by Fiscal Year through June 30, 2006: 

[See PDF for image] 

Source: GAO analysis of DOD data. 

Notes: Army mobilization data may change moderately upon completion of 
the Army's rebaselining efforts with DMDC. The sum of the number of 
reservists mobilized for each fiscal year will be different from the 
total number of reservists mobilized for all of GWOT because a 
reservist can be counted more than once (that is, for each fiscal year 
in which he or she began a mobilization). Totals may not add to 100 
percent because of rounding. 

[A] Fiscal year 2001 data are for September 11, 2001, through September 
30, 2001. 

[B] Fiscal year 2006 data are for October 1, 2005, through June 30, 
2006. 

[End of figure] 

Figure 4: Reservists Deployed in Support of the Global War on Terrorism 
by Fiscal Year through June 30, 2006: 

[See PDF for image] 

Source: GAO analysis of DOD data. 

Notes: The sum of the number of reservists deployed for each fiscal 
year will be different from the total number of reservists deployed for 
all of GWOT because a reservist can be counted more than once (that is, 
for each fiscal year in which he or she began a deployment). Less than 
1 percent of reservists deployed in fiscal year 2001 were Marine Corps 
Reserve servicemembers. Totals may not add to 100 percent because of 
rounding. 

[A] Fiscal year 2001 data are for September 11, 2001, through September 
30, 2001. 

[B] Fiscal year 2006 data are for October 1, 2005, through June 30, 
2006. 

[End of figure] 

Number of Reservists Who Have Deployed One, Two, or Three or More 
Times: 

Although reservists usually deployed only once, some experienced 
multiple deployments (see fig. 5). For example, compared to the other 
reserve components, the Air National Guard and the Air Force Reserve 
had nearly half of their reservists deploying two and three or more 
times, but they tend to have shorter deployment cycles according to the 
Air Expeditionary Force cycle. Under this cycle, reservists deploy for 
about 120 days in a 20-month cycle. However, servicemembers assigned to 
stressed specialties deploy for longer periods of time and in greater 
frequency. At the unit level, some deployment rules have been modified 
to increase volunteerism or to add stability to key missions. The Army 
National Guard and the Marine Corps Reserve had the lowest percentage 
of reservists deploying two and three or more times, but they tend to 
have longer deployment cycles. In general, DOD policy[Footnote 30] 
stipulates that Army units spend 1 year "boots on the ground" in 
theater.[Footnote 31] This policy also states that Marine Corps units 
below the regimental or group level deploy for 7 months while 
regimental and group headquarters units and above deploy for 12 months. 
This policy also states that the Chief of Naval Operations' goal is for 
servicemembers to have a 6-month deployment with 12 months in a 
nondeployed status. 

Figure 5: Percentage of Reservists Who Have Deployed One, Two, or Three 
or More Times in Support of the Global War on Terrorism through June 
30, 2006: 

[See PDF for image] 

Source: GAO analysis of DOD data. 

Notes: For the Marine Corps Reserve, very few reservists--less than 1 
percent--served three or more deployments. Totals may not add to 100 
percent because of rounding. 

[End of figure] 

Number of Reservists Who Have Spent 1 Year or Less, 1 to 2 Years, or 
More Than 2 Years Deployed in Support of GWOT: 

Our analysis of DOD data indicates that across the services, the 
majority of reservists have been deployed once, and of those deployed 
in support of GWOT, most--about 307,000 reservists, or 81 percent--have 
spent a year or less deployed. Alternatively, more than 65,000 
reservists, or 17 percent, have spent more than 1 year but less than 2 
years deployed, and about 6,000 reservists, or fewer than 2 percent, 
have spent more than 2 years deployed. The data also indicate that the 
Marine Corps Reserve had the highest percentage of reservists serving 
more than 2 years. In addition, the data also indicate that very few-- 
less than 1 percent--of Air National Guard reservists served more than 
2 years (see fig. 6). 

Figure 6: Percentage of Reservists Who Have Spent 1 Year or Less, 1 to 
2 Years, or More Than 2 Years Deployed in Support of the Global War on 
Terrorism through June 30, 2006: 

[See PDF for image] 

Source: GAO analysis of DOD data.  

Notes: For the Air National Guard, very few reservists--less than 1 
percent--served more than 2 years. Totals may not add to 100 percent 
because of rounding. 

[End of figure] 

Reserve Component Categories for Reservists Deployed in Support of 
GWOT: 

Our analysis of DOD data indicates that most reservists who have 
deployed in support of GWOT through June 30, 2006, were members of the 
Selected Reserve (see fig. 7 and table 5 in app. II). The majority of 
units and individuals in each reserve component are part of the 
Selected Reserve. These units and individuals have been designated as 
so essential to the initial wartime mission that they have priority for 
training, equipment, and personnel over all categories of reservists. 
Congress authorizes end strength for Selected Reserve personnel each 
year. The authorized end strength for the Army National Guard has been 
about 350,000 for the past several years. For fiscal year 2005, data 
provided by the services to DMDC indicate that the Army National Guard 
deployed more than 60,000 Selected Reserve servicemembers, which 
represents the highest number of Selected Reserve servicemembers 
deployed in a single fiscal year by a single reserve component since 
GWOT began. 

Figure 7: Percentage of Reservists Deployed in the Selected Reserve in 
Support of the Global War on Terrorism through June 30, 2006: 

[See PDF for image] 

Source: GAO analysis of DOD data. 

[End of figure] 

Although the services are authorized a maximum number of selected 
reservists, the actual number of reservists will fluctuate when 
additional reservists are recruited or others leave the reserve 
component. In addition, reservists such as those in the Individual 
Ready Reserve, are also available for deployment. In general, 
reservists are trained to have specific skills and specialties and may 
not be suited to deploy for a specific mission until additional 
training is provided. In addition, some reservists may not be available 
for deployment because they are in training, on medical leave, or 
awaiting training. 

Citizenship Status of Reservists at the Time of Their Most Current 
Deployment in Support of GWOT: 

Our analysis of DOD data indicates that almost 98 percent of reservists 
who have deployed in support of GWOT through June 30, 2006, were U.S. 
citizens at the time of their most current deployment (see fig. 8). The 
data indicate that about 1 percent of reservists were non-U.S. citizens 
or non-nationals at the time of their most current deployment. The 
citizenship status of more than 1,400 reservists was unknown. DOD data 
also indicate that 168 reservists' citizenship status changed. Table 1 
shows the citizenship status of reservists by reserve component by 
fiscal year. 

Figure 8: Citizenship Status of Reservists at the Time of Their Most 
Current Deployment in Support of the Global War on Terrorism through 
June 30, 2006: 

[See PDF for image] 

Source: GAO analysis of DOD data. 

Note: Totals may not add to 100 percent because of rounding. 

[A] U.S. nationals are non-U.S. citizens who owe permanent allegiance 
to the United States, such as persons born in American Samoa or Swains 
Island. 

[End of figure] 

Table 1: Citizenship Status of Reservists Deployed in Support of the 
Global War on Terrorism by Fiscal Year through June 30, 2006: 

Army National Guard; 
U.S. citizen; 
Fiscal year: 2001[A]: 3,622; 
Fiscal year: 2002: 6,868; 
Fiscal year: 2003: 40,083; 
Fiscal year: 2004: 47,477; 
Fiscal year: 2005: 59,513; 
Fiscal year: 2006[B]: 23,542. 

Army National Guard;
U.S. national; 
Fiscal year: 2001[A]: 0; 
Fiscal year: 2002: 0; 
Fiscal year: 2003: 0; 
Fiscal year: 2004: 0; 
Fiscal year: 2005: 0; 
Fiscal year: 2006[B]: 0. 

Army National Guard; 
Non-U.S. citizen or non-national; 
Fiscal year: 2001[A]: 25; 
Fiscal year: 2002: 54; 
Fiscal year: 2003: 288; 
Fiscal year: 2004: 440; 
Fiscal year: 2005: 708; 
Fiscal year: 2006[B]: 273. 

Army National Guard; 
Unknown; 
Fiscal year: 2001[A]: 0; 
Fiscal year: 2002: 0; 
Fiscal year: 2003: 1; 
Fiscal year: 2004: 0; 
Fiscal year: 2005: 0; 
Fiscal year: 2006[B]: 0. 

Air National Guard; 
U.S. citizen; 
fiscal year: 2001[A]: 1,469; 
fiscal year: 2002: 18,935; 
fiscal year: 2003: 21,967; 
fiscal year: 2004: 13,086; 
fiscal year: 2005: 12,259; 
fiscal year: 2006[B]: 9,497. 

Air National Guard; 
U.S. national; 
fiscal year: 2001[A]: 53; 
fiscal year: 2002: 576; 
fiscal year: 2003: 633; 
fiscal year: 2004: 381; 
fiscal year: 2005: 359; 
fiscal year: 2006[B]: 376. 

Air National Guard; 
Non-U.S. citizen or non-national; 
fiscal year: 2001[A]: 0; Fiscal year: 2002: 3; 
Fiscal year: 2003: 0; 
Fiscal year: 2004: 9; 
Fiscal year: 2005: 11; 
Fiscal year: 2006[B]: 9. 

Air National Guard; 
Unknown; 
Fiscal year: 2001[A]: 0; 
Fiscal year: 2002: 1; 
Fiscal year: 2003: 5; 
Fiscal year: 2004: 3; 
Fiscal year: 2005: 1; 
Fiscal year: 2006[B]: 0. 

Army Reserve; 
U.S. citizen; 
Fiscal year: 2001[A]: 1,158; 
Fiscal year: 2002: 3,749; 
Fiscal year: 2003: 35,401; 
Fiscal year: 2004: 28,793; 
Fiscal year: 2005: 24,316; 
Fiscal year: 2006[B]: 12,948. 

Army Reserve; 
U.S. national; 
Fiscal year: 2001[A]: 0; 
Fiscal year: 2002: 0; 
Fiscal year: 2003: 6; 
Fiscal year: 2004: 4; 
Fiscal year: 2005: 4; 
Fiscal year: 2006[B]: 0. 

Army Reserve; 
Non-U.S. citizen or non-national; 
Fiscal year: 2001[A]: 17; 
Fiscal year: 2002: 77; 
Fiscal year: 2003: 766; 
Fiscal year: 2004: 588; 
Fiscal year: 2005: 473; 
Fiscal year: 2006[B]: 201. 

Army Reserve; 
Unknown; 
Fiscal year: 2001[A]: 6; 
Fiscal year: 2002: 1,379; 
Fiscal year: 2003: 72; 
Fiscal year: 2004: 89; 
Fiscal year: 2005: 84; 
Fiscal year: 2006[B]: 31. 

Navy Reserve; 
U.S. citizen; 
Fiscal year: 2001[A]: 235; 
Fiscal year: 2002: 2,464; 
Fiscal year: 2003: 5,349; 
Fiscal year: 2004: 5,192; 
Fiscal year: 2005: 5,168; 
Fiscal year: 2006[B]: 5,554. 

Navy Reserve; 
U.S. national; 
Fiscal year: 2001[A]: 0; 
Fiscal year: 2002: 6; 
Fiscal year: 2003: 15; 
Fiscal year: 2004: 9; 
Fiscal year: 2005: 14; 
Fiscal year: 2006[B]: 9. 

Navy Reserve; 
Non-U.S. citizen or non-national; 
Fiscal year: 2001[A]: 2; 
Fiscal year: 2002: 23; 
Fiscal year: 2003: 84; 
Fiscal year: 2004: 91; 
Fiscal year: 2005: 77; 
Fiscal year: 2006[B]: 131. 

Navy Reserve; 
Unknown; 
Fiscal year: 2001[A]: 8; 
Fiscal year: 2002: 87; 
Fiscal year: 2003: 207; 
Fiscal year: 2004: 222; 
Fiscal year: 2005: 158; 
Fiscal year: 2006[B]: 149. 

Marine Corps Reserve; 
U.S. citizen; 
Fiscal year: 2001[A]: 8; 
Fiscal year: 2002: 1,252; 
Fiscal year: 2003: 9,440; 
Fiscal year: 2004: 5,697; 
Fiscal year: 2005: 3,177; 
Fiscal year: 2006[B]: 895. 

Marine Corps Reserve; 
U.S. national; 
Fiscal year: 2001[A]: 0; 
Fiscal year: 2002: 1; 
Fiscal year: 2003: 33; 
Fiscal year: 2004: 14; 
Fiscal year: 2005: 15; 
Fiscal year: 2006[B]: 0. 

Marine Corps Reserve; 
Non-U.S. citizen or non-national; 
Fiscal year: 2001[A]: 0; 
Fiscal year: 2002: 98; 
Fiscal year: 2003: 479; 
Fiscal year: 2004: 148; 
Fiscal year: 2005: 107; 
Fiscal year: 2006[B]: 34. 

Marine Corps Reserve; 
Unknown; 
Fiscal year: 2001[A]: 0; 
Fiscal year: 2002: 0; 
Fiscal year: 2003: 0; 
Fiscal year: 2004: 0; 
Fiscal year: 2005: 0; 
Fiscal year: 2006[B]: 0. 

Air Force Reserve; 
U.S. citizen; 
Fiscal year: 2001[A]: 508; 
Fiscal year: 2002: 11,630; 
Fiscal year: 2003: 11,795; 
Fiscal year: 2004: 8,927; 
Fiscal year: 2005: 8,407; 
Fiscal year: 2006[B]: 6,469. 

Air Force Reserve; 
U.S. national; 
Fiscal year: 2001[A]: 0; 
Fiscal year: 2002: 0; 
Fiscal year: 2003: 0; 
Fiscal year: 2004: 0; 
Fiscal year: 2005: 0; 
Fiscal year: 2006[B]: 0. 

Air Force Reserve; 
Non-U.S. citizen or non-national; 
Fiscal year: 2001[A]: 0; 
Fiscal year: 2002: 5; 
Fiscal year: 2003: 4; 
Fiscal year: 2004: 6; 
Fiscal year: 2005: 6; 
Fiscal year: 2006[B]: 7. 

Air Force Reserve; 
Unknown; 
Fiscal year: 2001[A]: 0; 
Fiscal year: 2002: 2; 
Fiscal year: 2003: 4; 
Fiscal year: 2004: 3; 
Fiscal year: 2005: 0; 
Fiscal year: 2006[B]: 0. 

Total; 
Fiscal year: 2001[A]: 7,111; 
Fiscal year: 2002: 47,210; 
Fiscal year: 2003: 126,632; 
Fiscal year: 2004: 111,179; 
Fiscal year: 2005: 114,857; 
Fiscal year: 2006[B]: 60,125. 

Source: GAO analysis of DOD data. 

Note: Reservists can be counted more than once if they deployed more 
than once in different fiscal years. 

[A] Fiscal year 2001 data are for September 11, 2001, through September 
30, 2001. 

[B] Fiscal year 2006 data are for October 1, 2005, through June 30, 
2006. 

[End of table] 

Race and Ethnicity for Reservists Deployed in Support of GWOT: 

Our analysis of DOD data indicates that about 78 percent of those 
deployed for GWOT were White; about 14 percent were Black or African 
American; about 2 percent were Asian, Native Hawaiian, or Other Pacific 
Islander; and about 1 percent were American Indian or Alaskan Native 
(see table 2). Overall, about 5 percent of the deployed reservists 
declined to indicate their race. The Army National Guard, the Air 
National Guard, and the Air Force Reserve had the highest percentages 
of the reservists who identified themselves as White. Further, about 90 
percent of those who responded identified themselves as non-Hispanic 
and 8 percent as Hispanic (see table 3). 

Table 2: Race of Reservists Deployed in Support of the Global War on 
Terrorism through June 30, 2006: 

White; 
Army National Guard: 131,686; 
Air National Guard: 44,759; 
Army Reserve: 66,609; 
Navy Reserve: 13,905; 
Marine Corps Reserve: 14,096; 
Air Force Reserve: 23,432; 
Total: 294,487. 

Black or African American; 
Army National Guard: 21,285; 
Air National Guard: 3,384; 
Army Reserve: 19,541; 
Navy Reserve: 2,611; 
Marine Corps Reserve: 1,543; 
Air Force Reserve: 3,191; 
Total: 51,555. 

Asian/Native Hawaiian or other Pacific Islander; 
Army National Guard: 2,794; 
Air National Guard: 592; 
Army Reserve: 3,318; 
Navy Reserve: 492; 
Marine Corps Reserve: 292; 
Air Force Reserve: 307; 
Total: 7,795. 

American Indian/Alaska Native; 
Army National Guard: 1,193; 
Air National Guard: 471; 
Army Reserve: 497; 
Navy Reserve: 138; 
Marine Corps Reserve: 
130; Air Force Reserve: 122; 
Total: 2,551. 

More than one race; 
Army National Guard: 0; 
Air National Guard: 132; 
Army Reserve: 0; 
Navy Reserve: 1,981; 
Marine Corps Reserve: 64; 
Air Force Reserve: 85; 
Total: 2,262. 

Declined to respond; 
Army National Guard: 6,586; 
Air National Guard: 1,836; 
Army Reserve: 5,127; 
Navy Reserve: 1,288; 
Marine Corps Reserve: 3,163; 
Air Force Reserve: 1,632; 
Total: 19,632. 

Total; 
Army National Guard: 163,544; 
Air National Guard: 51,174; 
Army Reserve: 95,092; 
Navy Reserve: 20,415; 
Marine Corps Reserve: 19,288; 
Air Force Reserve: 28,769; 
Total: 378,282. 

Source: GAO analysis of DOD data. 

Note: Although the 1997 governmentwide requirements for the collection 
and reporting of information on race and ethnicity were to have been 
implemented by January 1, 2003, DOD has not yet fully implemented the 
requirements and its internal monthly reports continue to use some of 
the former racial and ethnic categories. 

[End of table] 

Table 3: Ethnicity of Reservists Deployed in Support of the Global War 
on Terrorism through June 30, 2006: 

Non-Hispanic; 
Army National Guard: 152,350; 
Air National Guard: 48,497; 
Army Reserve: 84,498; 
Navy Reserve: 15,003; 
Marine Corps Reserve: 11,531; 
Air Force Reserve: 26,970; 
Total: 338,849. 

Hispanic; 
Army National Guard: 11,193; 
Air National Guard: 2,579; 
Army Reserve: 10,465; 
Navy Reserve: 1,851; 
Marine Corps Reserve: 3,054; 
Air Force Reserve: 1,699; 
Total: 30,841. 

Unknown; 
Army National Guard: 1; 
Air National Guard: 98; 
Army Reserve: 129; 
Navy Reserve: 3,561; 
Marine Corps Reserve: 4,703; 
Air Force Reserve: 100; 
Total: 8,592. 

Total; 
Army National Guard: 163,544; 
Air National Guard: 51,174; 
Army Reserve: 95,092; 
Navy Reserve: 20,415; 
Marine Corps Reserve: 19,288; 
Air Force Reserve: 28,769; 
Total: 378,282. 

Source: GAO analysis of DOD data. 

[End of table] 

Gender of Reservists Deployed in Support of GWOT: 

Our analysis of DOD data indicates that about 338,000 reservists, or 
about 89 percent of the number deployed, were male (see table 4). About 
11 percent of those deployed in support of GWOT were female. Of the 
approximately 163,500 Army National Guard servicemembers who have been 
deployed through June 30, 2006, more than 92 percent were male. Almost 
98 percent of those deployed in support of GWOT through June 30, 2006, 
for the Marine Corps Reserve were male, representing the highest 
percentage of males compared with females for all of the reserve 
components. 

Table 4: Gender of Reservists Deployed in Support of the Global War on 
Terrorism by Reserve Component through June 30, 2006: 

Male; 
Army National Guard: 150,633; 
Air National Guard: 45,674; 
Army Reserve: 79,799; 
Navy Reserve: 17,897; 
Marine Corps Reserve: 18,806; 
Air Force Reserve: 25,044; 
Total: 337,853. 

Female; 
Army National Guard: 12,910; 
Air National Guard: 5,500; 
Army Reserve: 15,276; 
Navy Reserve: 2,518; 
Marine Corps Reserve: 482; 
Air Force Reserve: 3,725; 
Total: 40,411. 

Unknown; 
Army National Guard: 1; 
Air National Guard: 0; 
Army Reserve: 17; 
Navy Reserve: 0; 
Marine Corps Reserve: 0; 
Air Force Reserve: 0; 
Total: 18. 

Total; 
Army National Guard: 163,544; 
Air National Guard: 51,174; 
Army Reserve: 95,092; 
Navy Reserve: 20,415; 
Marine Corps Reserve: 19,288; 
Air Force Reserve: 28,769; 
Total: 378,282. 

Source: GAO analysis of DOD data. 

[End of table] 

State of Residence of Reservists Deployed in Support of GWOT: 

Our analysis of DOD data indicates that California, Texas, 
Pennsylvania, and Florida had the highest numbers of reservists who 
have deployed in support of GWOT through June 2006 (see table 6 in app. 
II for the number of reservists deployed by state of residence by 
reserve component by fiscal year). The 4 states combined had more than 
76,000 reservists in residence at the time of their deployments. Eleven 
states deployed more than 10,000 reservists each, accounting for more 
than 160,000 reservist deployments. Of those deployed, about 39 percent 
came from states in the southern United States, about 23 percent from 
the midwest, about 18 percent from states in the western United States, 
and about 15 percent came from states in the northeast part of the 
country.[Footnote 32] More than 20,000 reservists indicated California 
or Texas as their state of residence at the time they were deployed 
(see fig. 9). Nineteen states and 5 territories had fewer than 5,000 
reservists in residence at the time of their deployment and 20 states 
and 1 territory had from 5,000 to 9,999 reservists in residence at the 
time of their deployment. 

Figure 9: Number of Reservists Deployed in Support of the Global War on 
Terrorism by State through June 30, 2006: 

[See PDF for image] 

Source: GAO analysis of DOD data; Map Resources (maps). 

[End of figure] 

Occupational Information about Enlisted and Officer Reservists Deployed 
in Support of GWOT: 

Our analysis of DOD data indicates that since GWOT began, the 
occupational areas[Footnote 33] of enlisted reservists deployed in 
support of GWOT have stayed somewhat consistent across all services. 
For example, the Army National Guard, the Air Force Reserve, and the 
Marine Corps Reserve have deployed reservists mostly in infantry 
occupational areas including such groups as infantry, air crew, and 
combat engineering. All six reserve components have deployed electrical 
and mechanical equipment repairers, such as automotive, aircraft, and 
armament and munitions. Three of the six reserve components--the Army 
National Guard, the Army Reserve, and the Marine Corps Reserve--have 
deployed reservists who are service and supply handlers, such as law 
enforcement and motor transport. 

Since GWOT began, the occupational areas most deployed for reserve 
component officers have varied, but all reserve components primarily 
deployed tactical operations officers, to include ground and naval 
arms, helicopter pilots, and operations staff subgroups. The Army 
National Guard, the Air National Guard, and the Navy Reserve have 
deployed engineering and maintenance officers, such as the 
communications and radar and aviation maintenance occupational 
subgroups. The Air National Guard, the Army Reserve, and the Air Force 
Reserve have deployed reservists in the health care officer 
occupational areas, including physicians and nurses. The Army Reserve 
and the Marine Corps Reserve have deployed supply and procurement 
occupational areas that include transportation, general logistics, and 
supply occupational subgroups. The Air Force Reserve has also deployed 
intelligence officers in occupational subgroups such as general 
intelligence and counterintelligence. 

Data for the Volunteer Status, Location Deployed, and Unit Deployed 
Variables Were Either Not Available or Not Reliable: 

We were unable to analyze the volunteer status variable because the 
data do not exist for all of the reserve components. Similarly, we were 
unable to analyze the deployment location and deployment unit variables 
because we determined, in agreement with DMDC officials, that the data 
in these fields were not reliable. This issue is discussed further 
below. 

DOD and the Services Have Taken Steps to Improve the Reliability of 
Reserve Component Data, but More Needs to Be Done: 

While we found selected deployment and mobilization data to be 
sufficiently reliable for our purposes (that is, providing descriptive 
data), some of the data were not reliable enough for us to report, even 
for descriptive purposes. DMDC and the services, as required by DOD 
policy, have taken steps to improve the reliability of the mobilization 
data; however, more action is needed to improve the reliability of CTS 
data and DMDC's analyses of those data. For example, (1) the 
rebaselining effort resulted in substantial changes being made to the 
mobilization data, and the Army--which has mobilized and deployed the 
largest number of reservists for GWOT--has not completed this 
rebaselining effort, which the Joint Staff tasked DMDC and the services 
to do in November 2005; (2) we identified data issues that DOD has not 
addressed that could further improve the reliability of the data, such 
as standardizing the use of key terms like deployment; and (3) DMDC 
does not have effective controls for ensuring the accuracy of its data 
analyses used to produce reports as required by federal government 
internal control standards. Although DMDC and DOD have undertaken a 
major data cleaning--or rebaselining--effort to improve the reliability 
of mobilization data, the effort does not address some fundamental data 
quality issues. While we recognize that such a large-scale effort, 
although replete with challenges, is a positive step toward better 
quality data, if data reporting requirements and definitions are not 
uniform, and if there are no quality reviews of DMDC's analyses, some 
data elements and DMDC's analyses of those data may continue to be 
unreliable. A senior DMDC official stated that it emphasizes getting 
data to customers in a timely manner rather than documenting the 
internal control procedures needed to improve the reliability of the 
data and the data analyses produced. However, with proper internal 
controls, DMDC could potentially achieve both timeliness and accuracy. 
Without reliable data and analyses, DOD cannot make sound data-driven 
decisions about reserve force availability. Moreover, DOD may not be 
able to link reservists' locations with exposure to medical hazards. 

DMDC and the Services Are Updating the Mobilization Data in CTS, but 
Concerns Remain: 

We have found the deployment and mobilization data we used to be 
sufficiently reliable for our purposes (that is, providing descriptive 
data), and DMDC and the services have recently taken steps to improve 
the reliability of mobilization data. However, additional steps are 
needed to make mobilization data more reliable. As previously noted, 
DOD guidance[Footnote 34] requires the services to report timely, 
accurate, and complete activation, mobilization,[Footnote 35] and 
deployment data. DMDC officials responsible for overseeing the CTS 
database stated that a rebaseline of the deployment data was not 
necessary because the deployment data matched the data in the Defense 
Finance and Accounting Service's (DFAS) systems[Footnote 36] by more 
than 98 percent. Although DMDC and the services rebaselining of the 
mobilization data in CTS has resulted in improvements, the Army, which 
has mobilized the greatest number of reservists for GWOT, has not 
completed its rebaselining effort. A senior-level DMDC official 
responsible for overseeing the CTS database said that the mobilization 
data in the CTS database prior to the rebaselining effort were less 
than 80 percent accurate for the Army, the Navy, and the Air Force, but 
that the Marine Corps' data were generally considered to be accurate 
prior to the rebaselining effort. The official also stated that DMDC 
expects that the mobilization data within the CTS database will be 90 
percent accurate because of this rebaselining effort, which was still 
ongoing through August 2006. While we recognize that this is a 
considerable undertaking, to date, only the Navy and the Air Force have 
validated or certified their mobilization data files. Navy officials 
said that the Navy has validated its personnel records and established 
a common baseline of data with DMDC. Air Force Reserve officials said 
that their data within CTS are now 99 to 100 percent accurate. The 
Chief of the Personnel Data Systems Division for the Air National Guard 
certified that although file discrepancies are still being reconciled, 
the data that were processed by DMDC on June 11, 2006, were the most 
accurate activation[Footnote 37] data and that data accuracy will 
improve with each future file sent to DMDC. The DMDC official said that 
the Marine Corps had only partially completed its rebaselining effort 
and would not be finished until the Marine Corps provided its August 
2006 data file in September 2006. The Army National Guard and Army 
Reserve are still working to rebaseline their mobilization data, and 
the Army has not provided a time frame for completing the effort. 

However, we still have concerns regarding the reliability of the 
mobilization data, because the scope of the rebaselining effort changed 
and the data changed substantially as a result of the rebaselining. At 
the beginning of our review, DMDC and the services referred to the 
rebaselining effort as a "reconciliation," which, according to a DMDC 
official and a Reserve Affairs official, would have resulted in all 
data (current and past) being reviewed and corrected as needed. We 
acknowledge that some degree of change is expected in any data cleaning 
effort, especially with large-scale, multisource collection methods 
such as DMDC's data collection process. However, our experience has 
shown that cleaning efforts that result in a large degree of change 
would suggest systematic error. Such error raises concerns about the 
reliability of both the original data and the "cleaned" data. If both 
the source data and the cleaned data are populated with the same 
assumptions and information, any reconciliation of data points should 
result in relatively small change that correct simply for random error, 
such as from keypunch or data source errors. However, for some 
variables, the data changed substantially as a result of DMDC and the 
services' rebaselining or data cleaning effort. Our analysis shows that 
data from the period of September 2001 through December 2005 have 
changed by about 4 percent to as much as 20 percent. For example: 

* The number of reservists mobilized for GWOT through December 2005 
went from about 478,000 to about 506,000--an increase of more than 
27,000 reservists or a change of more than 5 percent. 

* The Army Reserve data sustained the greatest change during this time 
with a more than 19 percent increase in the number of reservists 
mobilized. The number of mobilized Army National Guard reservists 
increased more than 7 percent. According to a senior DMDC official, the 
Army data are expected to continue to change, perhaps substantially 
enough to require the rebaselining of the data again in the future. 

* The number of Air National Guard reservists mobilized decreased by 
more than 13 percent. 

* The Navy Reserve, the Marine Corps Reserve, and the Air Force Reserve 
data all changed about 5 percent. 

DOD officials stated that the rebaselining effort occurred because the 
Joint Staff tasked DMDC and the services with ensuring that the data 
the Joint Staff's Manpower and Personnel office was using in CTS were 
the same data as the services were using to determine reserve force 
availability. According to a senior-level DMDC official responsible for 
overseeing CTS, the rebaselining effort's scope changed because all of 
the services agreed that starting over and replacing all of the data 
would make more sense than trying to correct transactions already in 
CTS, because the services found errors in the CTS files initially used 
for the reconciliation. Service officials said that some of the data 
discrepancies developed because of a DMDC quality check procedure that 
sometimes resulted in DMDC replacing the service-submitted data with 
data from other sources. DMDC officials said that they did this because 
the services were unable to report some of the required CTS data. 
According to DMDC officials, service submissions have become more 
complete over time, resulting in DMDC now using the quality check 
procedures only to check the data rather than to populate the CTS 
database. This DMDC official stated that DMDC expected the data to 
change substantially based on the issues identified with service data 
during the initial reconciliation effort and the subsequent 
rebaselining effort. 

Because the rebaselining effort is not complete and the Army--which has 
mobilized and deployed the largest number of reservists for GWOT--has 
not finished the rebaselining, we do not know how much the data will 
continue to change as DMDC and the services work to finish this effort. 
DOD data on reservists' mobilizations and deployments are important 
because decision makers at DOD and in Congress need the data to make 
sound decisions about personnel issues and for planning and budgeting 
purposes. 

DOD Has Not Fully Addressed Data Issues That Could Improve Data 
Reliability: 

Prior to the rebaselining effort, some services recognized that there 
were data issues that needed to be addressed and took steps to do so, 
as DOD guidance[Footnote 38] requires the services to report accurate 
and complete mobilization and deployment data. However, some data 
issues that would ensure more accurate, complete, and consistent 
mobilization and deployment data across the services in the future have 
not been fully addressed by DOD. Some examples of data issues being 
addressed include the following: 

* The Air Force and the Navy were having difficulty tracking 
mobilizations based on reservists' mobilization orders, which has 
resulted in both services independently working to develop and 
implement systems that write reservists' orders. 

* The Army Reserve recently began to modify its mobilization systems, 
which Army officials expect will improve the collection of reservists' 
mobilization data. 

* The Air Force identified problems with the way in which the Defense 
Eligibility Enrollment Reporting System (DEERS) processed end dates for 
reservists' mobilizations, which resulted in some reservists not 
receiving appropriate benefits (for example, dental benefits). Air 
Force officials worked with officials from the Office of the Secretary 
of Defense and DMDC to identify and address the data processing logic 
issues. 

Despite these positive steps, service process improvements are not all 
complete, and further, there has been no comprehensive review across 
DOD to identify data issues that if addressed, could result in more 
complete, accurate, and consistent mobilization and deployment data 
across and within the services. Reserve Affairs officials in the office 
of Reserve Systems Integration said that a more sustainable fix to the 
processes of collecting data is needed to ensure that data captured in 
the future are accurate and more efficiently collected. We agree and 
have identified some issues that may continue to affect data 
reliability, such as the following: 

* The use of terms, such as activated, mobilized, and deployed, has not 
been standardized across the services. Although the department has 
defined these terms in the Department of Defense Dictionary of Military 
and Associated Terms, the terms are used differently by the individual 
services. In the Air Force, "activation" can refer to the time when a 
reservist either volunteers or is involuntarily mobilized; however, the 
term "mobilized" refers only to someone who is not a volunteer. Even 
within a single service, these words can have different meanings. For 
example, an Army National Guard official who participated in the 
rebaselining effort said that Army National Guard servicemembers who 
backfill active duty servicemembers are not considered deployed since 
they have not left the United States. However, according to this 
official, some staff in the Army National Guard use "deployed" to 
include reservists who are mobilized within the United States. 

* There is no single data entry process that would minimize the 
potential for contradictory data about reservists in multiple systems. 
Currently, data about reservists are entered separately into multiple 
systems. 

* There is no mechanism for DMDC to ensure that the services are 
addressing the data inconsistencies DMDC identifies during its ongoing, 
monthly validation process, such as Social Security numbers that are 
duplicated in two reserve components. 

* DOD has taken an ad hoc, episodic approach to identifying data 
reporting requirements and to addressing data issues. DOD has 
periodically issued policies regarding its need to collect and report 
specific data, such as volunteer status and location deployed, about 
active duty servicemembers and reservists. As a result of changing 
requirements, many of these policies have addendums that include these 
additional data requirements, which are not immediately supported by 
the services' existing systems that are used to collect the data. Over 
time, this has led to disjointed policies that overlap and that require 
the services to modify their existing systems and processes, which can 
take months to complete. 

* There are incomplete data submissions across the services. 
Specifically, data for volunteer status was not available in CTS for 
all service components, and the location deployed and deploying unit 
data were not reliable enough for the purposes of this report. Only 
three of the six reserve components--the Air National Guard, the Marine 
Corps Reserve, and the Air Force Reserve--provide information on a 
reservist's volunteer status, which neither we nor DMDC report because 
it is not available for all six components. Further, DMDC officials 
said that they consider CTS location data incomplete although the data 
are improving with each fiscal year. DMDC officials said that most unit 
information is based on the unit a reservist is assigned to and may not 
represent the unit the reservist is currently deployed with in theater. 
For this reason, we did not consider these data reliable enough to 
report. 

A DMDC official stated that DMDC does not have the authority to direct 
the services to correct data errors or inconsistencies or to address 
data issues. DMDC does, however, work with the services and tries to 
identify and address data challenges. According to some service 
officials, the department plans to implement a new, integrated payroll 
and personnel system--Defense Integrated Military Human Resource System 
(DIMHRS)--and that the services have been diverting resources needed to 
modify their existing systems and relevant processes to support DIMHRS. 
However, our past work has shown that DOD has encountered a number of 
challenges with DIMHRS, which is behind schedule, and the current 
schedule has it available no sooner than April 2008, when the Army is 
scheduled to begin implementing the system. 

In general, service officials said that they are working to collect 
data on volunteer status, location deployed, and deploying unit; 
however, Air Force officials stated that they do collect data on 
location deployed and deploying unit and that these data are accurate 
and are being provided to DMDC. Army Reserve officials stated that they 
currently do not have plans to collect data on volunteer status. 

DMDC Does Not Have Effective Controls for Ensuring the Accuracy of Its 
Data Analyses Used to Produce Reports: 

DMDC has not documented (1) its procedures for verifying that the data 
analyses it performs are correct and (2) the procedures for monthly 
validation of service data or the procedures used to perform analyses 
of data. Either of these issues could, if documented as part of DMDC's 
verification process, address some of our concerns about internal 
controls. DMDC is required by policy[Footnote 39] to develop and 
produce reports about mobilization data and respond to requests for 
information about deployed personnel. DOD policy[Footnote 40] requires 
DMDC and the reserve components to ensure the accuracy of files and the 
resulting reports. Federal government internal control 
standards[Footnote 41] require that data control activities, such as 
edit checks, verifications, and reconciliations, be conducted and 
documented to help provide reasonable assurance that agency objectives 
are being met. 

DMDC officials said that they have internal verification procedures 
that require supervisors to review all data analyses used to generate 
reports, although these procedures are not documented. Specifically, 
the supervisors are to review (1) the statistical programming code used 
to generate the data analyses to ensure that the code includes the 
customer's data analyses parameters (that is, the assumptions used to 
produce the analyses) and (2) the "totals" generated to ensure that 
these totals match the control totals that show the number of 
reservists currently or ever mobilized or deployed in support of GWOT. 
DMDC officials acknowledge the importance of verifying the accuracy of 
the data analyses prior to providing the reports to customers, and they 
stated that they had verified the accuracy of the analyses provided to 
us. However, we found numerous errors in the initial and subsequent 
analyses we received of the GWOT data through May 2006, causing us to 
question whether DMDC verified the data analyses it provided to us and, 
if it did, whether the current process is adequate. For example, we 
found that DMDC had done the following: 

* Counted reservists with more than one deployment during GWOT also 
among those who deployed only once during GWOT, which resulted in 
overcounting the number of reservists' deployments. 

* Used ethnicity responses to identify race despite having told us that 
the internal policy was changed in 2006 and that this was no longer an 
acceptable practice. 

* Counted reservists whose ethnicity was "unknown" as "non-Hispanic" 
although "unknown" does not necessarily mean someone's ethnicity is 
"non-Hispanic" and there was a category for unknowns. 

* Repeatedly categorized data based on a reservist's first deployment 
(when there was more than one) despite agreeing to modify this 
analytical assumption so that we could present data by the reservist's 
most current deployment. 

* Reported thousands of reservists as having changed citizenship status 
during GWOT although, in our analyses, we found that only 168 
reservists had changed status. 

* Analyzed data by reserve component categories (for example, Selected 
Reserve and Individual Ready Reserve) rather than by reserve component 
as we had asked. By analyzing the number of days a reservist was 
deployed by reserve component category, a reservist could be counted 
multiple times within one component if he or she changed category. This 
error affected the way in which the total number of days a reservist 
was deployed was calculated. For example, if the same reservist served 
350 days as an Army National Guard Selected Reserve member and an 
additional 350 days as an Army National Guard Individual Ready Reserve 
member, he or she would be counted as two reservists who were each 
deployed for less than a year. However, our intent was to report that 
the same individual had been deployed for a total of 700 days. In our 
analysis, all of a reservist's days deployed were totaled and counted 
once for each reserve component, regardless of which category he or she 
belonged to when deployed. 

* Miscoded the end date for the analysis of how many days reservists 
were deployed for GWOT. This resulted in up to an additional 90 days of 
deployment being counted for reservists who were still deployed at the 
time the data were submitted to DMDC. 

In our discussions with DMDC officials, they readily acknowledged that 
errors had been made, although they stated that the analyses had 
undergone supervisory review prior to our receiving them. During these 
discussions, we also discovered that many of these errors occurred 
because DMDC had not used all of our data analyses parameters, although 
these officials had stated that this was one of the verification 
process steps followed. Although we were able to work with DMDC 
officials and identify the analytical assumptions they were going to 
use to complete our analyses, without documented analytical procedures, 
it is unclear to what degree the analyses DMDC provides to other users 
of the data also contain errors since many may not similarly verify the 
analyses provided to them by DMDC. 

In addition, DMDC officials have not documented additional processes 
that would further support a verification process, such as (1) the 
ongoing, monthly validation process of service-provided data[Footnote 
42] and (2) the procedures to perform analyses and generate reports, 
including the assumptions DMDC uses when producing periodic and special 
reports for customers. In the past, according to the services, the 
ongoing, monthly validation process DMDC used resulted in two sets of 
data--one set of service data and one set of DMDC data--that may not 
have been the same. For example, we were told by the Air Force that, in 
some cases, service data were replaced with default values because of a 
business rule that DMDC applied to the data and that this change 
resulted in errors to the service-provided data. These inconsistent 
data caused the Joint Staff to request that the services and DMDC 
reconcile the data. As stated above, there were errors in the analyses 
performed to generate the reports DMDC provided to us, including DMDC's 
not using many of the assumptions we agreed to for the analyses. DMDC 
also made errors that contradicted its own undocumented policy. 

A senior DMDC official said DMDC has not documented these procedures 
because the organization emphasizes getting data and reports to its 
customers in a timely manner rather than preparing this documentation. 
This official said that documentation is not a top priority because 
situations change rapidly, and it would be hard to keep these documents 
up-to-date. The official also said that the errors made in the analyses 
provided to us were caused by human error and the need to provide data 
quickly. Further, the DMDC official said that while there are standard 
data requests that are generated frequently, GAO's request was an ad 
hoc request, and the procedures for addressing such requests, in 
practice, are not as well defined. While we agree that our requests met 
DMDC's definition of an ad hoc request, we disagree that sufficient 
time was not allowed for DMDC to prepare the analyses. For the initial 
request, we worked with DMDC over the course of about 5 business days 
to define the analytical assumptions that would be used during the 
analysis. DMDC then took about 8 business days to complete the analysis 
and provide it to us. 

DOD data analyses are important because decision makers at DOD and in 
Congress need the data to make sound decisions about reserve force 
availability, medical surveillance, and planning and budgeting. In the 
absence of documented procedures and the necessary controls to ensure 
that they are implemented, it is difficult for an organization to 
ensure that it has established a robust process that is being 
consistently applied and that accurate results are being achieved. 
Joint Staff and Reserve Affairs officials are emphasizing the need to 
use one data source for most analyses to further reduce the 
inconsistencies in data analyses because service-produced analyses and 
DMDC-produced analyses could differ if both are not using the same set 
of data and assumptions. Otherwise, it is possible that the data 
analyses provided to decision makers at DOD or in Congress will be 
incomplete and inconsistent. If the data analyses are incorrect, users 
could draw erroneous conclusions based on the data, which could lead to 
policies that affect reservists in unanticipated ways. 

Conclusions: 

DOD recognizes the need for accurate, complete, and consistent data and 
data analyses, and it has taken some preliminary, ad hoc steps to 
improve its data, including undertaking a considerable effort to 
rebaseline its mobilization data. It has not, however, addressed some 
of the inconsistencies in data and data analyses departmentwide, such 
as when terms are used differently from one service to the next. 
Further, service officials stated that it is anticipated that a lot of 
these problems will be addressed when DIMHRS is implemented. However, 
the schedule for DIMHRS continues to slip, so it is unclear when this 
solution will be available. We recognize that the need for accurate, 
complete, and consistent data and data analyses about reservist 
mobilization and deployment is always important, and even more so 
during higher levels of mobilization and deployment, such as is the 
case now with GWOT. This is especially true since, in general, there 
are restrictions on the maximum length of time a reservist can be 
involuntarily activated. Thus, having accurate and complete data on a 
reservist's status is critical for determining availability for future 
deployments. This is especially true of the CTS data since the Manpower 
and Personnel office in the Joint Staff and the Office of the Assistant 
Secretary of Defense for Reserve Affairs mostly use the data found in 
CTS. These data also help DOD and Congress to understand the potential 
impacts of policy decisions as they relate to reservists who are 
eligible for TRICARE Reserve Select and educational benefits based on 
the number of days a reservist is deployed. DOD has not provided 
guidance to the services to better define and standardize the use of 
key terms. DOD also has not collected and maintained all essential data 
nor has it established a process for ensuring that data inconsistencies 
are resolved. Further, DOD has not documented key procedures and 
processes for verifying the data analyses it provides to its customers, 
thus compromising its ability to ensure the accuracy, completeness, and 
consistency of these analyses. Until decision makers in DOD and 
Congress have accurate, complete, and consistent data and analyses, 
they will not be in the best position to make informed decisions about 
the myriad of reserve deployment matters. 

Recommendations for Executive Action: 

We recommend that the Secretary of Defense take the following four 
actions: 

* Direct the Under Secretary of Defense, Personnel and Readiness, to 
provide guidance to the services to better define and standardize the 
use of key terms, like activation, mobilization, and deployment, to 
promote the completeness, accuracy, and consistency of the data within 
CTS. 

* Direct the service secretaries to (1) take the steps necessary to 
provide all required data to DMDC, such as volunteer status and 
location deployed, and (2) have the services address data 
inconsistencies identified by DMDC. 

* Direct the service secretaries to establish the needed protocols to 
have the services report data consistent with the guidance above. 

* Direct the Under Secretary of Defense, Personnel and Readiness, to 
require DMDC to document its internal procedures and processes, 
including the assumptions it uses in data analyses. In doing this, the 
Under Secretary of Defense, Personnel and Readiness, should collaborate 
on the reasonableness of the assumptions established and used by DMDC 
in its data analyses with the Office of the Assistant Secretary of 
Defense for Reserve Affairs and the Joint Staff. 

Agency Comments and Our Evaluation: 

The Under Secretary of Defense, Personnel and Readiness, provided 
written comments on a draft of this report and stated that we changed 
one of our original audit objectives and did not inform the department 
of this change. We disagree. While the scope of our audit did change 
after our initial notification letter of June 17, 2005, was sent to 
DOD, we notified the proper officials of this change in a December 2, 
2005, email to the agency-designated liaison within the DOD Inspector 
General's office. In this email, we specifically said that we would be 
contacting DMDC and that we would be focusing on data for reserve 
component activation, mobilization, and deployment for GWOT. In 
accordance with generally accepted government auditing standards 
(GAGAS),[Footnote 43] GAO analysts are expected, as appropriate, to 
review an agency's internal controls as they relate to the scope of the 
performance audit. Specifically, we are required by GAGAS[Footnote 44] 
to review the reliability of the data and the data analyses provided to 
us. To assess the reliability of data and data analyses, we often 
review an agency's internal controls that are put in place to ensure 
the accuracy of the data and analyses. As we discuss in our report, we 
found the data to be sufficiently reliable for our purposes. However, 
over the course of the work, the analyses of the data DMDC provided to 
us continued to have errors. This raised concerns about the adequacy of 
DMDC's internal controls for preparing and verifying these analyses, 
which DMDC stated were not documented. In accordance with GAGAS, when 
reporting on the results of their work, auditors are responsible for 
disclosing all material or significant facts known to them which, if 
not disclosed, could mislead knowledgeable users or misrepresent the 
results. Consistent errors in DMDC's analyses led us to include an 
audit objective on the reliability of the data and the data analyses. 

In its written comments, DOD generally concurred with three of our 
recommendations and did not concur with one of our recommendations. DOD 
also provided technical comments, which we have incorporated in the 
report, as appropriate. Regarding our recommendation that DOD provide 
guidance to the services to better define and standardize the use of 
key terms, DOD stated that this requirement has already been addressed 
because these terms are defined. We acknowledged in our draft report 
that these key terms are defined in the Department of Defense 
Dictionary of Military and Associated Terms. However, as we state in 
our report, our audit work indicates that the services are not 
operationalizing the use of the terms in a consistent manner. The 
intent of our recommendation is to have DOD standardize the use of the 
key terms across the services. 

DOD generally concurred with our recommendation that the services 
provide all required data to DMDC and address data inconsistencies, and 
stated that the services have been directed to provide all necessary 
data and are working to address data inconsistencies. While we agree 
that the services are working with DMDC to address data inconsistencies 
with regard to the rebaselining of mobilization data, we also 
identified other data inconsistencies that DOD has not addressed, such 
as Social Security numbers that are duplicated in more than one reserve 
component. We agree with DOD that some requirements cannot be 
immediately supported by service data systems and modifications to them 
can take time to complete. However, as our report notes, some service 
officials stated that resources are being diverted from these efforts 
to the DIMHRS program, which we reported is behind schedule. We 
continue to observe the need for the services to provide all necessary 
data, to address these data inconsistencies, and to establish needed 
protocols to have the services report data consistent with DOD 
guidance, especially since the data are used to determine reserve force 
availability and for medical surveillance. 

DOD also generally concurred with our recommendation that DMDC document 
its internal procedures and processes, including the assumptions it 
uses in data analyses. In its written comments, DOD stated that DMDC is 
in the process of developing documentation on its internal procedures 
and processes and has a draft that addresses the processes used from 
receipt of the data from the service components to the final quality 
control of the consolidated file. DOD also stated that DMDC has a draft 
product regarding many of the data analyses procedures used. During 
this engagement, we asked if these procedures and processes were 
documented. As we say in the report, DMDC stated that they were 
undocumented and that documenting them was not a priority. Although DOD 
stated that it is in the process of drafting these procedures and 
processes, we were never provided a draft of these documents. DOD also 
stated that while DMDC attempts to document the assumptions made in 
resulting report titles and footnotes, the disclosure of assumptions 
used in data analyses remain the responsibility of the requester of the 
data analyses. Although we agree that the requesters of the data bear 
responsibility to disclose the analytical assumptions used in the data 
analyses, our audit work indicates that there are basic assumptions 
that DMDC establishes and uses that, if documented and discussed with 
those who request data analyses, would allow the users to understand 
how the information can be used, as well as the limitations of the data 
analyses. For example, during a discussion with a Reserve Affairs 
official, who uses the data analyses provided by DMDC to provide 
information to senior DOD officials, we stated that DMDC defaults to 
using a servicemember's first deployment rather than the most current 
deployment when preparing data analyses. This official was unaware that 
DMDC used this assumption and stated that the expectation was that DMDC 
was using the most current deployment to generate the analyses. This 
official planned to discuss this issue with DMDC in the future. 

In its written comments, DOD did not concur with what it characterized 
as our fourth recommendation. Specifically, DOD separated a single 
recommendation into two recommendations. In the draft report we sent to 
DOD, the recommendation read: "We recommend that the Secretary of 
Defense direct the Under Secretary of Defense, Personnel and Readiness, 
to require DMDC to document its internal procedures and processes, 
including the assumptions it uses in data analyses. In doing this, the 
Under Secretary of Defense, Personnel and Readiness, should collaborate 
on the reasonableness of the assumptions used by DMDC in its data 
analyses with the Office of the Assistant Secretary of Defense for 
Reserve Affairs and the Joint Staff." DOD stated that DMDC is a support 
organization that generates reports for a multitude of organizations 
and that each organization that requests reports provides the 
assumptions that DMDC uses to develop the reports. However, our audit 
work showed that DMDC has established and uses some basic assumptions 
in analyzing data and that DMDC may not always discuss these 
assumptions with other DOD offices, such as Reserve Affairs. As a 
result, we continue to emphasize the need for DMDC to document these 
assumptions and to collaborate with these offices to ensure a common 
understanding of these assumptions. Although DOD organizations can 
request data analyses using multiple assumptions, without written 
documentation other organizations may not be fully aware of the 
analytical assumptions used by DMDC and this may lead to 
miscommunication and, ultimately, the data analyses may not be valid in 
that it does not report what the user intended. We continue to believe 
that the assumptions used need to be documented and discussed with 
other DOD offices as we recommended. Based on DOD's comments, we 
modified this recommendation to clarify our intent. 

We are sending copies of this report to the Secretary of Defense; the 
Secretaries of the Army, the Navy, and the Air Force; the Commandant of 
the Marine Corps; the Under Secretary of Defense, Personnel and 
Readiness; and other interested parties. We will also make copies 
available to others upon request. In addition, the report will be 
available at no charge on the GAO Web site at [Hyperlink, 
http://www.gao.gov]. 

If you or your staff have any questions on this report, please contact 
me at (202) 512-5559 or stewartd@gao.gov. Contact points for our 
Offices of Congressional Relations and Public Affairs may be found on 
the last page of this report. GAO staff who made major contributions to 
this report are listed in appendix IV. 

Signed by: 

Derek B. Stewart: 
Director, Defense Capabilities and Management: 

List of Congressional Committees: 

The Honorable John Warner: 
Chairman: 
The Honorable Carl Levin: 
Ranking Minority Member: 
Committee on Armed Services: 
United States Senate: 

The Honorable Lindsey Graham: 
Chairman: 
The Honorable Ben Nelson: 
Ranking Minority Member: 
Subcommittee on Personnel: 
Committee on Armed Services: 
United States Senate: 

The Honorable Ted Stevens: 
Chairman: 
The Honorable Daniel K. Inouye: 
Ranking Minority Member: 
Subcommittee on Defense: 
Committee on Appropriations: 
United States Senate: 

The Honorable Duncan L. Hunter: 
Chairman: 
The Honorable Ike Skelton: 
Ranking Minority Member: 
Committee on Armed Services: 
House of Representatives: 

The Honorable John M. McHugh: 
Chairman: 
The Honorable Vic Snyder: 
Ranking Minority Member: 
Subcommittee on Military Personnel: 
Committee on Armed Services: 
House of Representatives: 

The Honorable C. W. Bill Young: 
Chairman: 
The Honorable John P. Murtha: 
Ranking Minority Member: 
Subcommittee on Defense: 
Committee on Appropriations: 
House of Representatives: 

[End of section] 

Appendix I: Scope and Methodology: 

Our objectives were to determine (1) what Department of Defense (DOD) 
data indicate are the number of reservists mobilized and deployed in 
support of the Global War on Terrorism (GWOT), and the selected 
demographic and deployment characteristics of those deployed and (2) 
whether DOD's reserve deployment and mobilization data and analyses are 
reliable. 

We identified, based on congressional interest and our knowledge of DOD 
issues, selected demographic and deployment variables to review. We 
then worked with the Defense Manpower Data Center (DMDC) to identify 
the data fields within DMDC's Contingency Tracking System (CTS) that 
best provided information about the selected demographic and deployment 
variables we wanted to analyze. Although we wanted to analyze the 
locations to which reservists were deployed and the units with which 
reservists were deployed, DMDC officials said, and we agreed based on 
our review of the data, that the data were not reliable enough for 
those purposes. Our selected variables included: 

* the number of deployed reservists who volunteered for at least one 
deployment; 

* the number of deployed reservists who have served one, two, or three 
or more deployments; 

* the race and ethnicity of the deployed reservists; 

* the gender of the deployed reservists; 

* the state of residence of the deployed reservists; 

* the number of deployed reservists who were Selected Reserve, 
Individual Ready Reserve, Standby Reserve, or Retired Reserve; 

* the number of deployed reservists who were citizens at the time of 
their deployment; 

* the number of days the reservists were deployed; and: 

* the top occupational areas for reservists deployed in support of 
GWOT. 

To address objective 1, we obtained and analyzed data for September 
2001 through June 2006 from DMDC's CTS. CTS consists of two files--the 
activation file, which tracks activations and mobilizations, and the 
deployment file, which tracks deployments. Using CTS data from both 
files, we analyzed the number of National Guard and Reserve 
servicemembers mobilized and deployed in support of GWOT, as well as 
selected demographic and deployment variables, using statistical 
analysis software. 

To address objective 2, we performed a data reliability assessment on 
the data provided by DMDC from CTS' activation and deployment files. We 
requested DMDC reports that replicated our analyses and then compared 
those report results to our analyses, and we reviewed the programming 
code DMDC used to generate those reports. To assess the reliability of 
CTS data, we obtained an understanding of the data, the file structure, 
the sources of the data, and relevant DOD guidance.[Footnote 45] 
Specifically, we (1) performed electronic testing of the data files for 
completeness (that is, missing data), out-of-range values, and dates 
outside of valid time frames; (2) assessed the relationships among data 
elements (for example, determining whether deployment dates were 
overlapping since each record in the deployment file is intended to 
represent one deployment); (3) reviewed existing information about the 
data and the systems that produced them; (4) interviewed department 
officials to identify known problems or limitations in the data, as 
well as to understand the relationship between the two files and how 
data are received from the services, cleaned ("rebaselined"), and 
processed by DMDC; and (5) compared "prerebaselined" mobilization data 
to "postrebaselined" mobilization data to determine the extent to which 
the data changed as a result of the cleaning effort.[Footnote 46] When 
we found discrepancies (for example, overlapping deployment dates), we 
worked with DMDC to understand the discrepancies. 

In our interviews with DMDC officials, we discussed the purpose and 
uses of CTS, the service data rebaselining effort and the internal 
controls for verifying data analyses, monthly validation of data, and 
performing data analyses. Similarly, we discussed data collection, 
processing, and reliability issues as well as service-specific data 
issues and the rebaselining effort with officials from the Office of 
the Assistant Secretary of Defense for Reserve Affairs and from each of 
the reserve components, including the U.S. Army National Guard, the 
U.S. Air National Guard, the U.S. Army Reserve, the U.S. Navy Reserve, 
the U.S. Marine Corps Reserve, and the U.S. Air Force Reserve. We also 
discussed the reliability of the services' data, the rebaselining 
effort, and the results of a previous Joint Staff review of the quality 
of service data within CTS with officials in the Joint Chiefs of Staff 
Manpower and Personnel office. Finally, we interviewed officials from 
the Deployment Health Surveillance Directorate and the Army Medical 
Surveillance Activity about the quality of the deployment data and how 
they use the data. 

In the course of our review, we determined that some data fields were 
highly unreliable. For example, electronic testing indicated that data 
on location and reservist unit information were missing in many cases. 
Based on our conversations with DMDC and our understanding of the data 
system, we decided not to conduct lower level analyses (for example, 
analyses of reservists' assigned units) because the results would be 
less reliable than aggregate level analyses. Although we are reasonably 
confident in the reliability of most CTS data fields at the aggregate 
level, because we could not compare source documentation from each of 
the services to a sample of DMDC data, we could not estimate precise 
margins of error. Consequently, we used the data for descriptive 
purposes, and we did not base any recommendations on the results of our 
analyses. In addition, we presented only higher level, aggregate data 
from fields that we determined were sufficiently reliable for our 
reporting purposes. For these purposes, and presented in this way, the 
CTS data we use are sufficiently reliable with the following caveat: 
The Army had not completed its rebaselining effort for mobilization 
data before the completion of our review, and we could not, therefore, 
assess the reliability of Army mobilization data to the same extent as 
those of the other services. However, based on our electronic testing, 
data comparisons, and interviews with officials, we believe that the 
data are sufficiently reliable to present as descriptive information. 

To assess the reliability of DMDC's reports (that is, its own analyses) 
of CTS data, we compared our independent analyses of National Guard and 
Reserve servicemembers' mobilization and deployment statistics with 
results that DMDC provided from its own analyses of the same data. To 
pinpoint differences in analytical assumptions, we reviewed the 
statistical code DMDC used to produce its reports and compared it with 
our programming code. Through an iterative process, we noted errors in 
DMDC's programs and requested changes and reruns of the data. We worked 
with DMDC to ensure that discrepancies were not caused by differences 
in our analytical assumptions. Where there were discrepancies, we 
reached the following consensus on how to address them: 

* Removed the Coast Guard entries from our analyses of the CTS database 
since, as we state in this report, the Coast Guard Reserve is under the 
day-to-day control of the Department of Homeland Security rather than 
DOD. 

* Combined a reservist's Social Security number with his or her reserve 
component to create a unique identifier. DMDC officials said they do 
this because they are unsure where the source of the error is when they 
find that a Social Security number corresponds with two reserve 
components for a deployment during approximately the same time period. 
DOD's policy,[Footnote 47] when there is a duplicate Social Security 
number for more than one reserve component, is to count both 
transactions. However, the use of duplicate Social Security numbers 
results in overcounting. Specifically, the June 2006 file had 38 
reservists with overlapping mobilizations, 20 reservists with 
overlapping deployments, and more than 800 deployed reservists who 
appeared to have legitimately changed components. To compensate for the 
58 "errors" where DMDC did not know which mobilization or deployment to 
count, it double-counted all 58 reservists. Likewise, the 800 deployed 
reservists who changed reserve components during GWOT were also double- 
counted. 

* Removed reservists from all analyses when their reserve component 
category is unknown, so that the numeric totals across analyses would 
be consistent. DMDC officials said that this is an undocumented 
standard operating procedure. 

* Utilized the reservists' information for most recent deployment to 
provide the most current information possible in cases where a 
reservist deployed more than once. 

* Calculated the length of a reservist's deployment by including both 
the day the deployment began and the day on which the deployment ended. 
Thus, the number of days deployed is inclusive of the beginning and end 
dates. 

* Combined the race categories for Asian, Native Hawaiian, and Other 
Pacific Islander because, prior to 2003, the distinction between these 
two groups was not captured in the data. 

After clarifying and agreeing on the analytical assumptions, we again 
reviewed DMDC's code and compared its results with our own to determine 
whether and why there were remaining discrepancies. We also requested 
written documentation of DMDC's internal control procedures for the CTS 
data and, when no documentation was available, interviewed 
knowledgeable officials about existing internal control procedures. 
Using the framework of standards for internal control for the federal 
government,[Footnote 48] we compared the information from those 
documents and interviews with our numerous, iterative reviews of DMDC's 
statistical programs used to generate comparative reports to assess the 
reliability of DMDC-generated reports from CTS. We determined that the 
reports DMDC generated for our review were not sufficiently reliable 
for our reporting purpose. Thus, we completed our own data analyses. 

We performed our work from December 2005 through August 2006 in 
accordance with generally accepted government auditing standards. 

[End of section] 

Appendix II: Data on Reservists Deployed in Support of GWOT through 
June 30, 2006: 

Our analysis of DOD data indicates that most reservists who deployed in 
support of GWOT through June 30, 2006, were part of the Selected 
Reserve (see table 5). In addition, California, Texas, Pennsylvania, 
and Florida had the highest numbers of reservists who have deployed in 
support of GWOT through June 30, 2006 (see table 6). 

Table 5: Reserve Component Categories for Reservists Deployed in 
Support of the Global War on Terrorism by Fiscal Year through June 30, 
2006: 

Army National Guard; 
Selected Reserve[C]; 
2001[A]: 3,647; 
2002: 6,920; 
2003: 40,355; 
2004: 47,869; 
2005: 60,172; 
2006[B]: 23,765. 

Army National Guard; 
Individual Ready Reserve/Inactive National Guard[D, E]; 
2001[A]: 0; 
2002: 2; 
2003: 17; 
2004: 48; 
2005: 49; 
2006[B]: 50. 

Army National Guard; 
Total; 
2001[A]: 3,647; 
2002: 6,922; 
2003: 40,372; 
2004: 47,917; 
2005: 60,221; 
2006[B]: 23,815. 

Air National Guard; 
Selected Reserve; 
2001[A]: 1,522; 
2002: 19,515; 
2003: 22,605; 
2004: 13,479; 
2005: 12,630; 
2006[B]: 9,882. 

Air National Guard; 
Total; 
2001[A]: 1,522; 
2002: 19,515; 
2003: 22,605; 
2004: 13,479; 
2005: 12,630; 
2006[B]: 9,882. 

Army Reserve; 
Selected Reserve; 
2001[A]: 1,172; 
2002: 4,994; 
2003: 35,181; 
2004: 27,915; 
2005: 21,884; 
2006[B]: 11,531. 

Army Reserve; 
Individual Ready Reserve/Inactive National Guard; 
2001[A]: 9; 
2002: 189; 
2003: 951; 
2004: 1,427; 
2005: 2,853; 
2006[B]: 1,516. 

Army Reserve; 
Standby/Retired Reserve[F, G]; 
2001[A]: 0; 
2002: 22; 
2003: 113; 
2004: 132; 
2005: 140; 
2006[B]: 133. 

Army Reserve; 
Total; 
2001[A]: 1,181; 
2002: 5,205; 
2003: 36,245; 
2004: 29,474; 
2005: 24,877; 
2006[B]: 13,180. 

Navy Reserve; 
Selected Reserve; 
2001[A]: 217; 
2002: 2,506; 
2003: 5,438; 
2004: 5,348; 
2005: 5,110; 
2006[B]: 5,658. 

Navy Reserve; 
Individual Ready Reserve/Inactive National Guard; 
2001[A]: 27; 
2002: 73; 
2003: 212; 
2004: 163; 
2005: 305; 
2006[B]: 177. 

Navy Reserve; 
Standby/Retired Reserve; 
2001[A]: 1; 
2002: 1; 
2003: 5; 
2004: 3; 
2005: 2; 
2006[B]: 8. 

Navy Reserve; 
Total; 
2001[A]: 245; 
2002: 2,580; 
2003: 5,655; 
2004: 5,514; 
2005: 5,417; 
2006[B]: 5,843. 

Marine Corps Reserve; 
Selected Reserve; 
2001[A]: 8; 
2002: 1,169; 
2003: 9,568; 
2004: 5,593; 
2005: 3,052; 
2006[B]: 864. 

Marine Corps Reserve; 
Individual Ready Reserve/Inactive National Guard; 
2001[A]: 0; 
2002: 182; 
2003: 378; 
2004: 262; 
2005: 242; 
2006[B]: 62. 

Marine Corps Reserve; 
Standby/Retired Reserve; 
2001[A]: 0; 
2002: 0; 
2003: 6; 
2004: 4; 
2005: 5; 
2006[B]: 3. 

Marine Corps Reserve; 
Total; 
2001[A]: 8; 
2002: 1,351; 
2003: 9,952; 
2004: 5,859; 
2005: 3,299; 
2006[B]: 929. 

Air Force Reserve; 
Selected Reserve; 
2001[A]: 502; 
2002: 11,592; 
2003: 11,591; 
2004: 8,777; 
2005: 8,157; 
2006[B]: 6,421. 

Air Force Reserve; 
Individual Ready Reserve/Inactive National Guard; 
2001[A]: 6; 
2002: 35; 
2003: 139; 
2004: 137; 
2005: 241; 
2006[B]: 41. 

Air Force Reserve; 
Standby/Retired Reserve; 
2001[A]: 0; 
2002: 10; 
2003: 73; 
2004: 22; 
2005: 15; 
2006[B]: 14. 

Air Force Reserve; 
Total; 
2001[A]: 508; 
2002: 11,637; 
2003: 11,803; 
2004: 8,936; 
2005: 8,413; 
2006[B]: 6,476. 

Total; 
2001[A]: 7,111; 
2002: 47,210; 
2003: 126,632; 
2004: 111,179; 
2005: 114,857; 
2006[B]: 60,125. 

Source: GAO analysis of DOD data. 

Notes: Title 10 U.S.C. 10145(b) provides that the Army National Guard 
and the Air National Guard are to be in the Ready Reserve. Reservists 
can be counted more than once if they deployed more than once in 
different fiscal years. 

[A] Fiscal year 2001 data are for September 11, 2001, through September 
30, 2001. 

[B] Fiscal year 2006 data are for October 1, 2005, through June 30, 
2006. 

[C] The Selected Reserve, part of the Ready Reserve, is composed of 
those units and individuals designated by their respective services and 
approved by the Chairman of the Joint Chiefs of Staff as so essential 
to initial wartime missions that they have priority for training, 
equipment, and personnel over all other reserve elements. 

[D] The Individual Ready Reserve consists mainly of trained individuals 
who have previously served in active component units or in the Selected 
Reserve and who have a remaining military service obligation. 

[E] The Inactive National Guard consists of National Guard personnel 
who are attached to a specific unit but are temporarily unable to 
participate in regular training. Currently, only the Army National 
Guard uses this category. 

[F] The Standby Reserve consists of personnel who have completed all 
obligated or required service or have been removed from the Ready 
Reserve because of civilian employment, temporary hardship, or 
disability. 

[G] The Retired Reserve consists of personnel who have been placed in a 
retirement status based on the completion of 20 or more qualifying 
years of active component or reserve component service. 

[End of table] 

Table 6: State, Territories, and Armed Forces Areas of Residence for 
Reservists Deployed in Support of the Global War on Terrorism through 
June 30, 2006: 

Residence of deployed population[A]: Alaska; 
Army National Guard: 471; 
Air National Guard: 979; 
Army Reserve: 147; 
Navy Reserve: 4; 
Marine Corps Reserve: 27; 
Air Force Reserve: 42; 
Total: 1,670. 

Residence of deployed population[A]: Alabama; 
Army National Guard: 5,301; 
Air National Guard: 1,380; 
Army Reserve: 2,484; 
Navy Reserve: 387; 
Marine Corps Reserve: 332; 
Air Force Reserve: 596; 
Total: 10,480. 

Residence of deployed population[A]: Arkansas; 
Army National Guard: 3,891; 
Air National Guard: 830; 
Army Reserve: 1,078; 
Navy Reserve: 49; 
Marine Corps Reserve: 139; 
Air Force Reserve: 132; 
Total: 6,119. 

Residence of deployed population[A]: Arizona; 
Army National Guard: 2,005; 
Air National Guard: 583; 
Army Reserve: 1,208; 
Navy Reserve: 138; 
Marine Corps Reserve: 430; 
Air Force Reserve: 697; 
Total: 5,061. 

Residence of deployed population[A]: California; 
Army National Guard: 6,811; 
Air National Guard: 1,882; 
Army Reserve: 5,910; 
Navy Reserve: 3,769; 
Marine Corps Reserve: 3,321; 
Air Force Reserve: 2,811; 
Total: 24,504. 

Residence of deployed population[A]: Colorado; 
Army National Guard: 939; 
Air National Guard: 889; 
Army Reserve: 1,441; 
Navy Reserve: 27; 
Marine Corps Reserve: 223; 
Air Force Reserve: 759; 
Total: 4,278. 

Residence of deployed population[A]: Connecticut; 
Army National Guard: 1,753; 
Air National Guard: 627; 
Army Reserve: 738; 
Navy Reserve: 141; 
Marine Corps Reserve: 206; 
Air Force Reserve: 226; 
Total: 3,691. 

Residence of deployed population[A]: District of Columbia; 
Army National Guard: 131; 
Air National Guard: 27; 
Army Reserve: 174; 
Navy Reserve: 234; 
Marine Corps Reserve: 9; 
Air Force Reserve: 36; 
Total: 611. 

Residence of deployed population[A]: Delaware; 
Army National Guard: 502; 
Air National Guard: 386; 
Army Reserve: 252; 
Navy Reserve: 10; 
Marine Corps Reserve: 39; 
Air Force Reserve: 438; 
Total: 1,627. 

Residence of deployed population[A]: Florida; 
Army National Guard: 5,232; 
Air National Guard: 683; 
Army Reserve: 4,478; 
Navy Reserve: 1,347; 
Marine Corps Reserve: 929; 
Air Force Reserve: 2,448; 
Total: 15,117. 

Residence of deployed population[A]: Georgia; 
Army National Guard: 5,860; 
Air National Guard: 1,543; 
Army Reserve: 3,623; 
Navy Reserve: 407; 
Marine Corps Reserve: 732; 
Air Force Reserve: 913; 
Total: 13,078. 

Residence of deployed population[A]: Hawaii; 
Army National Guard: 2,058; 
Air National Guard: 453; 
Army Reserve: 856; 
Navy Reserve: 137; 
Marine Corps Reserve: 63; 
Air Force Reserve: 202; 
Total: 3,769. 

Residence of deployed population[A]: Iowa; 
Army National Guard: 3,963; 
Air National Guard: 941; 
Army Reserve: 1,431; 
Navy Reserve: 19; 
Marine Corps Reserve: 153; 
Air Force Reserve: 33; 
Total: 6,540. 

Residence of deployed population[A]: Idaho; 
Army National Guard: 2,004; 
Air National Guard: 710; 
Army Reserve: 329; 
Navy Reserve: 11; 
Marine Corps Reserve: 54; 
Air Force Reserve: 50; 
Total: 3,158. 

Residence of deployed population[A]: Illinois; 
Army National Guard: 4,032; 
Air National Guard: 1,910; 
Army Reserve: 3,272; 
Navy Reserve: 103; 
Marine Corps Reserve: 683; 
Air Force Reserve: 454; 
Total: 10,454. 

Residence of deployed population[A]: Indiana; 
Army National Guard: 4,328; 
Air National Guard: 1,188; 
Army Reserve: 1,583; 
Navy Reserve: 60; 
Marine Corps Reserve: 331; 
Air Force Reserve: 685; 
Total: 8,175. 

Residence of deployed population[A]: Kansas; 
Army National Guard: 2,394; 
Air National Guard: 978; 
Army Reserve: 1,760; 
Navy Reserve: 87; 
Marine Corps Reserve: 100; 
Air Force Reserve: 287; 
Total: 5,606. 

Residence of deployed population[A]: Kentucky; 
Army National Guard: 2,803; 
Air National Guard: 628; 
Army Reserve: 1,347; 
Navy Reserve: 33; 
Marine Corps Reserve: 190; 
Air Force Reserve: 90; 
Total: 5,091. 

Residence of deployed population[A]: Louisiana; 
Army National Guard: 5,877; 
Air National Guard: 416; 
Army Reserve: 1,271; 
Navy Reserve: 112; 
Marine Corps Reserve: 435; 
Air Force Reserve: 613; 
Total: 8,724. 

Residence of deployed population[A]: Massachusetts; 
Army National Guard: 2,965; 
Air National Guard: 1,006; 
Army Reserve: 1,684; 
Navy Reserve: 76; 
Marine Corps Reserve: 357; 
Air Force Reserve: 758; 
Total: 6,846. 

Residence of deployed population[A]: Maryland; 
Army National Guard: 1,839; 
Air National Guard: 1,195; 
Army Reserve: 2,215; 
Navy Reserve: 584; 
Marine Corps Reserve: 432; 
Air Force Reserve: 487; 
Total: 6,752. 

Residence of deployed population[A]: Maine; 
Army National Guard: 1,407; 
Air National Guard: 647; 
Army Reserve: 417; 
Navy Reserve: 79; 
Marine Corps Reserve: 26; 
Air Force Reserve: 22; 
Total: 2,598. 

Residence of deployed population[A]: Michigan; 
Army National Guard: 3,560; 
Air National Guard: 1,542; 
Army Reserve: 1,824; 
Navy Reserve: 72; 
Marine Corps Reserve: 681; 
Air Force Reserve: 403; 
Total: 8,082. 

Residence of deployed population[A]: Minnesota; 
Army National Guard: 4,699; 
Air National Guard: 1,209; 
Army Reserve: 2,064; 
Navy Reserve: 46; 
Marine Corps Reserve: 126; 
Air Force Reserve: 592; 
Total: 8,736. 

Residence of deployed population[A]: Missouri; 
Army National Guard: 4,199; 
Air National Guard: 1,032; 
Army Reserve: 2,605; 
Navy Reserve: 110; 
Marine Corps Reserve: 262; 
Air Force Reserve: 580; 
Total: 8,788. 

Residence of deployed population[A]: Mississippi; 
Army National Guard: 5,647; 
Air National Guard: 1,308; 
Army Reserve: 1,263; 
Navy Reserve: 219; 
Marine Corps Reserve: 126; 
Air Force Reserve: 190; 
Total: 8,753. 

Residence of deployed population[A]: Montana; 
Army National Guard: 1,302; 
Air National Guard: 582; 
Army Reserve: 472; 
Navy Reserve: 5; 
Marine Corps Reserve: 35; 
Air Force Reserve: 25; 
Total: 2,421. 

Residence of deployed population[A]: North Carolina; 
Army National Guard: 6,287; 
Air National Guard: 935; 
Army Reserve: 2,909; 
Navy Reserve: 284; 
Marine Corps Reserve: 697; 
Air Force Reserve: 755; 
Total: 11,867. 

Residence of deployed population[A]: North Dakota; 
Army National Guard: 1,627; 
Air National Guard: 167; 
Army Reserve: 173; 
Navy Reserve: 2; 
Marine Corps Reserve: 4; 
Air Force Reserve: 28; 
Total: 2,001. 

Residence of deployed population[A]: Nebraska; 
Army National Guard: 2,007; 
Air National Guard: 687; 
Army Reserve: 1,262; 
Navy Reserve: 16; 
Marine Corps Reserve: 73; 
Air Force Reserve: 58; 
Total: 4,103. 

Residence of deployed population[A]: New Hampshire; 
Army National Guard: 1,121; 
Air National Guard: 417; 
Army Reserve: 553; 
Navy Reserve: 30; 
Marine Corps Reserve: 54; 
Air Force Reserve: 71; 
Total: 2,246. 

Residence of deployed population[A]: New Jersey; 
Army National Guard: 2,234; 
Air National Guard: 1,332; 
Army Reserve: 1,506; 
Navy Reserve: 215; 
Marine Corps Reserve: 479; 
Air Force Reserve: 839; 
Total: 6,605. 

Residence of deployed population[A]: New Mexico; 
Army National Guard: 978; 
Air National Guard: 482; 
Army Reserve: 531; 
Navy Reserve: 52; 
Marine Corps Reserve: 79; 
Air Force Reserve: 122; 
Total: 2,244. 

Residence of deployed population[A]: Nevada; 
Army National Guard: 612; 
Air National Guard: 541; 
Army Reserve: 335; 
Navy Reserve: 73; 
Marine Corps Reserve: 153; 
Air Force Reserve: 137; 
Total: 1,851. 

Residence of deployed population[A]: New York; 
Army National Guard: 4,571; 
Air National Guard: 2,566; 
Army Reserve: 4,833; 
Navy Reserve: 179; 
Marine Corps Reserve: 1,406; 
Air Force Reserve: 898; 
Total: 14,453. 

Residence of deployed population[A]: Ohio; 
Army National Guard: 4,047; 
Air National Guard: 2,552; 
Army Reserve: 4,452; 
Navy Reserve: 125; 
Marine Corps Reserve: 613; 
Air Force Reserve: 1,402; 
Total: 13,191. 

Residence of deployed population[A]: Oklahoma; 
Army National Guard: 2,951; 
Air National Guard: 1,406; 
Army Reserve: 1,151; 
Navy Reserve: 51; 
Marine Corps Reserve: 135; 
Air Force Reserve: 597; 
Total: 6,291. 

Residence of deployed population[A]: Oregon; 
Army National Guard: 3,112; 
Air National Guard: 301; 
Army Reserve: 419; 
Navy Reserve: 49; 
Marine Corps Reserve: 223; 
Air Force Reserve: 302; 
Total: 4,406. 

Residence of deployed population[A]: Pennsylvania; 
Army National Guard: 6,053; 
Air National Guard: 2,368; 
Army Reserve: 5,415; 
Navy Reserve: 269; 
Marine Corps Reserve: 828; 
Air Force Reserve: 1,322; 
Total: 16,255. 

Residence of deployed population[A]: Rhode Island; 
Army National Guard: 1,092; 
Air National Guard: 474; 
Army Reserve: 253; 
Navy Reserve: 109; 
Marine Corps Reserve: 61; 
Air Force Reserve: 14; 
Total: 2,003. 

Residence of deployed population[A]: South Carolina; 
Army National Guard: 3,760; 
Air National Guard: 817; 
Army Reserve: 1,767; 
Navy Reserve: 268; 
Marine Corps Reserve: 179; 
Air Force Reserve: 996; 
Total: 7,787. 

Residence of deployed population[A]: South Dakota; 
Army National Guard: 1,916; 
Air National Guard: 571; 
Army Reserve: 246; 
Navy Reserve: 1; 
Marine Corps Reserve: 2; 
Air Force Reserve: 23; 
Total: 2,759. 

Residence of deployed population[A]: Tennessee; 
Army National Guard: 5,519; 
Air National Guard: 1,612; 
Army Reserve: 1,855; 
Navy Reserve: 103; 
Marine Corps Reserve: 368; 
Air Force Reserve: 94; 
Total: 9,551. 

Residence of deployed population[A]: Texas; 
Army National Guard: 6,901; 
Air National Guard: 1,503; 
Army Reserve: 7,271; 
Navy Reserve: 1,233; 
Marine Corps Reserve: 1,475; 
Air Force Reserve: 2,421; 
Total: 20,804. 

Residence of deployed population[A]: Utah; 
Army National Guard: 2,697; 
Air National Guard: 811; 
Army Reserve: 986; 
Navy Reserve: 10; 
Marine Corps Reserve: 228; 
Air Force Reserve: 569; 
Total: 5,301. 

Residence of deployed population[A]: Virginia; 
Army National Guard: 3,238; 
Air National Guard: 879; 
Army Reserve: 3,756; 
Navy Reserve: 1,759; 
Marine Corps Reserve: 905; 
Air Force Reserve: 585; 
Total: 11,122. 

Residence of deployed population[A]: Vermont; 
Army National Guard: 1,294; 
Air National Guard: 410; 
Army Reserve: 135; 
Navy Reserve: 1; 
Marine Corps Reserve: 12; 
Air Force Reserve: 13; 
Total: 1,865. 

Residence of deployed population[A]: Washington; 
Army National Guard: 4,320; 
Air National Guard: 839; 
Army Reserve: 1,808; 
Navy Reserve: 225; 
Marine Corps Reserve: 383; 
Air Force Reserve: 1,274; 
Total: 8,849. 

Residence of deployed population[A]: Wisconsin; 
Army National Guard: 4,177; 
Air National Guard: 1,291; 
Army Reserve: 2,257; 
Navy Reserve: 39; 
Marine Corps Reserve: 282; 
Air Force Reserve: 603; 
Total: 8,649. 

Residence of deployed population[A]: West Virginia; 
Army National Guard: 1,975; 
Air National Guard: 879; 
Army Reserve: 1,137; 
Navy Reserve: 6; 
Marine Corps Reserve: 45; 
Air Force Reserve: 75; 
Total: 4,117. 

Residence of deployed population[A]: Wyoming; 
Army National Guard: 694; 
Air National Guard: 407; 
Army Reserve: 115; 
Navy Reserve: 4; 
Marine Corps Reserve: 9; 
Air Force Reserve: 16; 
Total: 1,245. 

Residence of deployed population[A]: Territories and Armed Forces 
areas; 
Army National Guard: 4,366; 
Air National Guard: 670; 
Army Reserve: 3,390; 
Navy Reserve: 4,701; 
Marine Corps Reserve: 15; 
Air Force Reserve: 243; 
Total: 13,385. 

Residence of deployed population[A]: Unknown or Not applicable; 
Army National Guard: 22; 
Air National Guard: 703; 
Army Reserve: 651; 
Navy Reserve: 2,345; 
Marine Corps Reserve: 139; 
Air Force Reserve: 743; 
Total: 4,603. 

Residence of deployed population[A]: Total; 
Army National Guard: 163,544; 
Air National Guard: 51,174; 
Army Reserve: 95,092; 
Navy Reserve: 20,415; 
Marine Corps Reserve: 19,288; 
Air Force Reserve: 28,769; 
Total: 378,282. 

Source: GAO analysis of DOD data. 

Notes: Territories include the District of Columbia, American Samoa, 
the Northern Mariana Islands, the Virgin Islands, Guam, and Puerto 
Rico. Armed Forces areas include Armed Forces of the Americas, Armed 
Forces Europe, and Armed Forces Pacific. This population represents 
13,385, or about 4 percent, of the total number of deployed reservists. 

[A] Reservists who had more than one deployment are counted by the 
state of residence of record for the most current deployment. 

[End of table] 

[End of section] 

Appendix III: Comments from the Department of Defense: 

Under Secretary Of Defense: 
4000 Defense Pentagon: 
Washington, DC 20301-4000: 
Personnel and Readiness: 

Sep 8 2006: 

Mr. Derek B. Stewart: 
Director: 
Defense Capabilities and Management: 
U.S. Government Accountability Office: 
441 G Street, N.W. 
Washington, DC 20548: 

Dear Mr. Stewart: 

This is the Department of Defense (DoD) response to the GAO draft 
report, GAO-06-1068, "Military Personnel: DOD and the Services Need to 
Take Additional Steps to Improve Mobilization Data for the Reserve 
Components," dated August 25, 2006 (GAO Code 350682). DoD has reviewed 
the subject draft report and strongly non-concurs with the methodology 
applied in the conduct of this audit. We also strongly non-concur with 
Recommendation 4. Our response to the specific recommendations listed 
in the report is enclosed. 

The original audit announcement letter, dated June 15, 2005, was 
entitled, "DOD's Reporting of Financial Costs and Personnel Data for 
Specific Engagements." On February 21, 2006, the Senior Analyst from 
GAO sent an email to the DoD IG stating ".we have refocused the 
objectives to look more at the data and less at the implications for 
the DoD budget. Specifically, we'll be looking more at the extent to 
which DOD and the services are able to track the number of and length 
of Reserve Component service member deployments in support to the 
global war on terrorism." The draft audit, dated August 25, 2006, now 
states that one purpose of the audit was to determine ".whether DOD's 
reserve deployment and mobilization data and analyses are reliable." 
This purpose was never provided to DOD during the audit period and 
deviates from the original audit engagement purpose and the revised 
purpose provided February 2006. I believe this to be an unacceptable 
auditing practice. 

Sincerely, 

Signed by: 

David S. C. Chu: 

Enclosure: 
As stated: 

GAO Draft Report - Dated August 25, 2006 GAO Code 350682/GAO-06-1068: 

"Military Personnel: DOD and the Services Need to Take Additional Steps 
to Improve Mobilization Data for the Reserve Components" 

Department Of Defense Comments To The Recommendations: 

Recommendation 1: The GAO recommended that the Secretary of Defense 
direct the Under Secretary of Defense (Personnel and Readiness) to 
provide guidance to the Services to better define and standardize the 
use of key terms, like activation, mobilization, and deployment, to 
promote the completeness, accuracy, and consistency of the data within 
the Contingency Tracking System (CTS). 

DOD Response: Partially concur. In addition, Joint Publication 1-02 
defines these terms and all participants of the Reserve Component 
Mobilization Policy Forum (OSD, Joint Staff, and all Services), which 
met in January 2006, concurred with the published terms and definitions 
and these are in use today. For the purposes of reporting and 
collecting CTS "deployment" data, DODI 6490.03, dated August 11, 2006, 
references Joint Publication 1-02 for definitions of these terms, so 
this requirement to standardize the term has already been addressed. 

Recommendation 2: The GAO recommended that the Secretary of Defense 
direct the Service Secretaries to: (1) take the steps necessary to 
provide all required data to the Defense Manpower Data Center, such as 
volunteer status and location deployed; (2) have the Services address 
data inconsistencies identified by the Defense Manpower Data Center; 
and (3) establish the needed protocols to have the Services report data 
consistent with the guidance above. 

DOD Response: Partially Concur. All of the Services have been directed 
to provide DMDC all required data, to include volunteer status (DODI 
7730.54) and location deployed (DODI 6490.03). As you mentioned in your 
report, the Service Components are working with DMDC to address data 
inconsistencies with the "mobilization" data. The Air National Guard 
and Navy Reserve have completed their review, and the Army National 
Guard, Army Reserve, and Marine Corps Reserve are actively working this 
issue. As noted in the GAO report, some requirements cannot be 
immediately supported by service data systems and modifications to them 
can take time to complete. 

Recommendation 3: The GAO recommended that the Secretary of Defense 
direct the Under Secretary of Defense (Personnel and Readiness) to 
require the Defense Manpower Data Center to document its internal 
procedures and processes, including the assumptions it uses in data 
analyses. 

DOD Response: Partially Concur. DMDC is in the process of developing 
documentation on its internal procedures and processes, and has in 
draft "A Guide to File Management at DMDC" which addresses the 
processes used from receipt of the data from the Service Components to 
the final quality control of the consolidated file. With respect to 
data analyses, many of the procedures already being used by DMDC have 
been collated in the draft document, "Ensuring a Quality Product." With 
respect to "the assumptions it uses in data analyses," those 
assumptions are made not by DMDC, but by its customers. DMDC attempts 
to document those assumptions made in the resulting report titles and 
footnotes, but also expects the recipient of the report to recall the 
guidance under which the original request was made. 

Recommendation 4: The GAO recommended that the Secretary of Defense 
direct the Under Secretary of Defense (Personnel and Readiness) to 
collaborate on the reasonableness of the assumptions used by Defense 
Manpower Data Center in its data analyses with the Office of the 
Assistant Secretary of Defense (Reserve Affairs) and the Director, 
Joint Staff. 

DOD Response: Strongly Non-concur. As stated in our response to 
Recommendation 3, "the reasonableness of the assumptions used by DMDC" 
does not put the onus on the correct organization. DMDC is a support 
organization, and accordingly, the reports it generates are for a 
multitude of organizations, from the Services, to OSD to the Joint 
Staff. Each of the organizations makes independent report requests, and 
often the methodology DMDC is asked to use in the development of these 
reports are not "DMDC assumptions" but rather parameters of the 
requestor of the report. Since DMDC is not always in a position to know 
what the requested report is ultimately going to be used for, it is not 
appropriate for DMDC, or OUSD (P&R) to make an assessment of the 
"reasonableness" of the data request. 

[End of section] 

Appendix IV; GAO Contact and Staff Acknowledgments: 

GAO Contact: 

Derek Stewart (202) 512-5559 or Hstewartd@gao.govH: 

Acknowledgments: 

In addition to the contact named above, Cynthia Jackson, Assistant 
Director; Crystal Bernard; Tina Kirschbaum; Marie A. Mak; Ricardo 
Marquez; Julie Matta; Lynn Milan; Rebecca Shea; and Cheryl Weissman 
made key contributions to this report. 

FOOTNOTES 

[1] GWOT includes missions such as Operation Enduring Freedom with 
operations in and around Afghanistan and Operation Iraqi Freedom with 
operations in and around Iraq. 

[2] National Guard and Reserve servicemembers include the collective 
forces of the Army National Guard and the Air National Guard, as well 
as the forces from the Army Reserve, the Navy Reserve, the Marine Corps 
Reserve, and the Air Force Reserve. They are known collectively as the 
reserve component. This report does not address the Coast Guard Reserve 
because it comes under the day-to-day control of the Department of 
Homeland Security rather than the Department of Defense (DOD). The 
Coast Guard does, however, assist DOD in meeting its commitments and 
DOD data indicate that 7,053 Coast Guard reservists were mobilized and 
204 were deployed in support of GWOT through June 30, 2006. 

[3] According to the Department of Defense Dictionary of Military and 
Associated Terms, a servicemember is activated when he or she is 
ordered to full-time duty in the active military of the United States. 
A servicemember is mobilized when he or she becomes part of the process 
of assembling and organizing personnel and equipment, activating or 
federalizing units and members of the National Guard and Reserves for 
active duty, and bringing the armed forces to a state of readiness for 
war or other national emergency. A servicemember is deployed when he or 
she becomes part of the process to relocate forces and materiel to 
desired operational areas. For the purposes of this report, the term 
mobilized will refer to reservists who have been activated, mobilized, 
or both in support of GWOT. 

[4] Department of Defense, the Under Secretary of Defense, Personnel 
and Readiness, memorandum, "Reporting of Personnel Data in Support of 
the National Emergency by Reason of Certain Terrorist Attacks," October 
4, 2001. 

[5] See, for example, GAO, Defense Health Care: Medical Surveillance 
Improved Since Gulf War, but Mixed Results in Bosnia, HGAO/NSIAD-97-136 
H(Washington, D.C.: May 13, 1997); Military Personnel: DOD Actions 
Needed to Improve the Efficiency of Mobilizations for Reserve Forces, 
HGAO-03-921 H(Washington, D.C.: Aug. 21, 2003); Military Personnel: DOD 
Needs to Address Long-term Reserve Force Availability and Related 
Mobilization and Demobilization Issues, HGAO-04-1031 H(Washington, 
D.C.: Sept. 15, 2004); and Defense Health Care: Improvements Needed in 
Occupational and Environmental Health Surveillance during Deployments 
to Address Immediate and Long-term Health Issues, HGAO-05-632 
H(Washington, D.C.: July 14, 2005). 

[6] GAO, Standards for Internal Control in the Federal Government, 
HGAO/AIMD-00-21H.3.1 (Washington, D.C.: November 1999). 

[7] The Selected Reserve is composed of those units and individuals 
designated by their respective services and approved by the Chairman of 
the Joint Chiefs of Staff as so essential to initial wartime missions 
that they have priority for training, equipment, and personnel over all 
other reserve elements (10 U.S.C. § 10143). 

[8] The Census Bureau includes the following states in its definition 
of the southern United States: Alabama, Arkansas, Delaware, Florida, 
Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, 
Oklahoma, South Carolina, Tennessee, Texas, Virginia, and West 
Virginia. The District of Columbia is also included. 

[9] The Census Bureau includes the following states in its definition 
of the midwestern United States: Illinois, Indiana, Iowa, Kansas, 
Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South 
Dakota, and Wisconsin. 

[10] The Census Bureau includes the following states in its definition 
of the western United States: Alaska, Arizona, California, Colorado, 
Hawaii, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, 
and Wyoming. 

[11] The Census Bureau includes the following states in its definition 
of the northeastern United States: Connecticut, Maine, Massachusetts, 
New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, and 
Vermont. 

[12] The legal authority used to involuntarily activate reservists in 
response to the terrorist attacks of September 11, 2001, limits the 
number that may be involuntarily activated to 1,000,000 (10 U.S.C. § 
12302(c)). 

[13] RCCPDS is an automated information system and associated database 
that was established as the official source of statistical tabulation 
of reserve component strengths and related data for various users, to 
include DOD and Congress. 

[14] DOD Instruction 1336.5, Automated Extract of Active Duty Military 
Personnel Records, May 2, 2001, and DOD Instruction 7730.54, which has 
been updated several times since it was first released in 1975. 

[15] DOD Manpower Data Center Memorandum, "Recommendations Based on 
Desert Storm Personnel Data Base Conference of 23-25 April 1991," May 
15, 1991. 

[16] "Defense Manpower Data Center Support for Desert Shield/Desert 
Storm," December 1991. 

[17] DOD Instruction 1336.5. 

[18] The Under Secretary of Defense for Personnel and Readiness is the 
principal staff assistant and advisor to the Secretary of Defense and 
the Deputy Secretary of Defense, Total Force Management, as relates to 
readiness, National Guard and Reserve component affairs, health 
affairs, and personnel requirements and management. 

[19] Department of Defense, the Under Secretary of Defense, Personnel 
and Readiness, memorandum, "Reporting of Personnel Data in Support of 
the National Emergency by Reason of Certain Terrorist Attacks," October 
4, 2001. 

[20] DOD Instruction 1336.5. 

[21] The data are also used for research, actuarial analyses, 
interagency, mobilization and contingency reporting, and evaluation of 
DOD programs and policies. 

[22] DOD Instruction 7730.54, March 15, 1999, was updated with enc. 11 
on August 6, 2004. 

[23] DOD Instruction 7730.54, enc. 11, August 6, 2004. 

[24] DOD Instruction 1336.5, enc. 5, May 2, 2001. 

[25] DOD Instruction 6490.03, Deployment Health, August 11, 2006. 

[26] DOD Instruction 7730.54 and DOD Instruction 6490.03. 

[27] DMDC's activation and mobilization data are contained in the CTS 
activation file. For the purposes of this report, the term mobilized 
will refer to reservists who have been activated, mobilized, or both in 
support of GWOT. 

[28] DOD Instruction 7730.54. 

[29] DOD Instruction 6490.03. 

[30] Department of Defense, Under Secretary of Defense, Personnel and 
Readiness, "Action Memorandum: Force Deployment Rules for Operations 
Iraqi Freedom and Enduring Freedom," July 30, 2004. 

[31] "Boots on the ground" is defined in a DOD action memo issued July 
30, 2004, as the window of time from when a unit physically arrives in 
theater until the unit physically departs from the theater. In addition 
to time spent "boots on the ground," Army servicemembers usually have a 
period prior to mobilization in which they train at a mobilization 
station and a time following deployment where they demobilize. 

[32] Totals may not add to 100 percent because of rounding and because 
we did not include the percentage for territories or Armed Forces 
areas. 

[33] Occupational areas, groups, and subgroups are defined by DOD's 
Occupational Database. Examples given represent DOD's areas, 
occupational groups or subgroups. 

[34] DOD Instruction 7730.54 and DOD Instruction 6490.03. 

[35] DMDC's activation and mobilization data are contained in the CTS 
activation file. For the purposes of this report, the term mobilized 
will refer to reservists who have been activated, mobilized, or both in 
support of GWOT. 

[36] The DFAS systems contain data on special pays and allowances 
provided to servicemembers including combat zone tax exclusions and 
imminent danger pay. 

[37] For this report, Air Force activation data are the same as 
mobilization data. 

[38] DOD Instruction 7730.54 and DOD Instruction 6490.03. 

[39] DOD Instruction 7730.54. 

[40] DOD Instruction 7730.54. 

[41] HGAO/AIMD-00-21H.3.1. 

[42] During the ongoing monthly validation process, DMDC officials said 
that they apply a series of undocumented business rules to identify and 
address inconsistencies in the data provided by the services and 
comparable data reported in DEERS and by DFAS. 

[43] GAO, Government Auditing Standards, HGAO-03-673G H(Washington, 
D.C.: June 2003). 

[44] HGAO-03-673GH, sections 7.12 b, 7.31, and 7.59. 

[45] DOD Instruction 6490.03, DOD Instruction 1336.5, and DOD 
Instruction 7730.54. 

[46] To assess the extent the data changed, we first received and 
analyzed data provided by DMDC in a December 2005 file about reservists 
deployed in support of GWOT. While DOD's rebaselining effort was still 
being completed, we received updated data from DMDC in a June 2006 file 
about reservists deployed in support of GWOT through June 2006, which 
allowed us to compare prerebaselined December 2005 data with 
postrebaselined December 2005 data. We compared these two data 
submissions and analyzed the extent to which the data had changed 
during the rebaselining effort. 

[47] DOD Instruction 7730.54. 

[48] GAO/AIMD-00-21.3.1.

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