U.S. Marine Scout-Snipers Lance Cpl. Andrew Norberg, left, and Cpl. Eric Stainbrook, of Sniper Platoon, 3/4 Marines, look for Taliban fighters in the treeline around Patrol Base 302, in Helmand province, southern Afghanistan, Wednesday, Aug. 24, 2011. The Marines living in austere conditions at PB302 exchange fire regularly with Taliban who attack from nearby positions. (AP Photo/Brennan Linsley)