U.S. Army Pfc. Shawn Williams gives the thumbs-up to members of his unit as he is evacuated after being injured by a roadside bomb in Kandahar province, Afghanistan, June 17, 2011. Williams is assigned to the 25th Infantry Division's 1st Stryker Brigade Combat Team. U.S. Navy photo by Lt. j.g. Haraz N. Ghanbari.