U.S. Air Force Lt. Gen. David S. Fadok, left, commander and president of Air University, accepts the guidon from Maj. Gen. Scott M. Hanson during a change of command ceremony at Maxwell Air Force Base, Ala., Aug. 19, 2013. Maj. Gen. Brian T. Bishop relieved Hanson as commander of the Carl A. Spaatz Center for Officer Education and commandant of the Air War College during the ceremony.