"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. For more information on DOD’s use of contractor personnel to support military operations, see CRS Report R43074, Department of Defense’s Use of Contractors to Support Military Operations: Background, Analysis, and Issues for Congress, by Moshe Schwartz.
The Role of Contractors in Military Operations
Throughout its history, DOD has relied on contractors to support a wide range of military
operations. Operations over the past 30 years have highlighted the critical role that contractors
play in supporting U.S. troops—both in terms of the number of contractors and the type of work
being performed. During recent U.S. military operations in Iraq and Afghanistan, contractors
frequently averaged 50% or more of the total DOD presence in-country..."
Afghanistan troop levels