U.S. Army Specialist Nicole Derk of the C Company 3/82 Dustoff MEDEVAC performs a system check on a helicopter...
U.S. Army Specialist Nicole Derk of the C Company 3/82 Dustoff MEDEVAC performs a system check on a helicopter at the beginning of her shift in Logar province, eastern Afghanistan November 21, 2011. REUTERS/Umit Bektas (AFGHANISTAN - Tags: CIVIL UNREST MILITARY HEALTH POLITICS CONFLICT)