**GAO-09-142**                      Published: Dec 18, 2008. Publicly Released: Dec 18, 2008.                  

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## Highlights

The United Nations (UN) supports U.S. interests in maintaining international security by deploying and operating 16 peacekeeping operations in locations in conflict, including Darfur, Lebanon, and Haiti. Over the past 10 years, the number of deployed UN personnel increased from about 41,000 peacekeepers and civilian staff to about 109,000 in 2008. In this report on the UN's capacity to deploy further operations, GAO was asked to examine (1) the evolution of UN peacekeeping operations in the past 10 years; (2) the likely characteristics of a potential new peacekeeping operation, given this evolution; (3) the challenges, if any, the UN would face deploying this operation; and (4) U.S. efforts to support and report on UN peacekeeping. GAO reviewed UN documents, developed a methodology to assess the requirements for a potential new operation with UN assistance, interviewed UN headquarters and mission officials, and assessed U.S. government documents on UN peacekeeping.

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## Topics

International Affairs

Civilian employeesCost analysisCritical infrastructureForce planningForeign aid programsLogisticsMilitary personnel deploymentMission essential operationsPeacekeepingPeacekeeping forcesPerformance measuresPoliceProgram evaluationProgram managementReporting requirementsStrategic planningUnited Nations military forcesPeacekeeping operationsCost estimatesTask orders