PREFLIGHT CHECK � A U.S. Army aviator from the 4th Battalion, 3rd Aviation Brigade, 3rd Infantry Division, inspects the tail rotor on his UH-60 Blackhawk Helicopter during preflight checks Aug. 1, 2005. The Blackhawk is one of the primary means of transportation out of Camp Taji, Iraq. U.S. Air Force photo by Tech. Sgt. Russell E. Cooley IV Hi-Res Photo