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1 1 (October 3, 2001)

handle is hein.crs/crsahsi0001 and id is 1 raw text is: Order Code RS21013
Updated October 3, 2001
CRS Report for Congress
Received through the CRS Web
Costs of Major U.S. Wars and
Recent U.S. Overseas Military Operations
Stephen Daggett and Nina M. Serafino
Foreign Affairs and National Defense Division
Summary
The direct costs of U.S. military operations have varied greatly, with a high of some
$4.7 trillion (in constant FY2002 dollars) for the incremental costs of World War II, to
a few million per operation for U.S. peacekeeping efforts in Cambodia, Angola, and the
Western Sahara. The incremental military costs of the war in Vietnam to the United
States was $572 billion in FY2002 dollars, and the Persian Gulf War incremental costs
totaled some $80 billion in FY2002 dollars, most of which was covered by allied
contributions. For the decade after the war, from FY1991 through FY2000, the DOD
has incurred some $9.2 billion in incremental costs (in FY2002 dollars) performing
peacekeeping and related security missions in Southwest Asia, i.e., in and around fraq.
For the same period, the incremental costs of DOD peacekeeping and related operations
in the Balkans was $17 billion in constant FY2002 dollars. The total of U.S. military
costs for peacekeeping and related security efforts over that decade was $29.6 billion in
FY2002 dollars.
Costs of U.S. overseas military operations, ranging from small humanitarian
assistance exercises to global conflicts, are measured by determining the incremental
costs of the actions to the Department of Defense, i.e., the expenses over and above the
ongoing costs of normal military operational tempo, training, pay, investments, etc.
Table 1 on the next page provides estimated costs of major U.S. conflicts in the 20th
century. Table 2 shows the incremental costs to DOD of smaller operations within the
past decade.' Tables 3 and 4 show an annual breakdown of the incremental costs of U.S.
peace and security commitments from FY 1991 through FY2000, including ongoing and
completed operations. Table 3 provides those figures in current year dollars; Table 4
shows them converted into FY2002 dollars.
1 For synopses of smaller operations, see CRS Report RL30184, Military Interventions by U.S.
Forces from Vietnam to Bosnia: Background, Outcomes, and Lessons Learned for Kosovo,
by Nina M. Serafino. This also provides cites to other CRS products on these operations.
Congressional Research Service *** The Library of Congress

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