An Iraqi Army Aviation Command, Squadron 15, ground crew member marshals a Mi-171 helicopter prior to takeoff at #Taji Air Base, #Iraq, July 11, 2011. Assigned at Taji Air Base, the 721st Air Expeditionary Advisory Squadron trains, advises and assists Iraqi pilots and maintenance personnel, focusing on sustainability, reliability and interoperability. (U.S. Air Force photo/Tech. Sgt. Josef E. Cole III) #USAF