U.S. Marine Lance Corporal Chris Sanderson, 24, from Flemington, New Jersey shouts as he tries to protect an Afghan man and his child after Taliban fighters opened fire in the town of Marjah, in Nad Ali district, Helmand province, February 13, 2010. U.S.-led NATO troops launched a crucial offensive on Saturday against the Taliban's last big stronghold in Afghanistan's most violent province and were quickly thrown into a firefight with the militants. REUTERS/Goran Tomasevic (AFGHANISTAN - Tags: CIVIL UNREST POLITICS CONFLICT IMAGES OF THE DAY) FOR BEST QUALITY AVAILABLE: ALSO SEE GM1E799097S01