Afghan air force airman Abdul Ghani, a crew chief, mans his M240 machine gun as he surveys the surrounding area for possible insurgents during a combat resupply mission in Barge Matal in the northern Kunar Valley, Afghanistan, Oct. 10, 2011. U.S. and Afghan forces flew two AAF Mi-17 helicopters to Barge Matal and delivered 3,200 kilograms worth of supplies to Afghan National Army troops.