FILE PHOTO: U.S. Army specialist William Lembo from Brooklyn, New York (C) with the 1st platoon, Delta Company, 2nd Battalion, 508th Parachute Infantry Regiment, part of the 82nd Airborne Division, is helped by comrades into a Black Hawk helicopter during a medical evacuation operation near the Arghandab river in Kandahar province, southern Afghanistan, May 11, 2010. Lembo injured his ankle jumping over a ditch during a 15 km patrol in the area. REUTERS/Yannis Behrakis/File Photo