This report provides an overview of Iraq's political transition from the dictatorship of Saddam Hussein to a plural polity that encompasses varying sects and ideological and political factions. This report also addresses ongoing governmental instabilities and their causes, as well as U.S. concerns about possible Iranian influence in Iraq as U.S. forces depart the country.

This report examines logistical support contracts for troop support services (also known as service contracts) in Iraq and Afghanistan, primarily administered through a smaller program, the United States Air Force Contract Augmentation Program (AFCAP) and a larger program, the United States Army's Logistics Civil Augmentation Program (LOGCAP). It focuses on contracts involving Department of Defense (DOD) appropriated funds, although some projects involve a blending of funds from other agencies.

This report provides background information for Congress on the levels of Department of Defense (DOD) troop and contractor personnel deployed in support of prior and ongoing military operations in Iraq and Afghanistan.