U.S. Air Force Gen. William M. Fraser III, left, Air Combat Command commander, passes the 1st Air Force flag to Lt. Gen. Sid Clarke during the Continental U.S. North American Aerospace Defense Command Region-1st Air Force (Air Forces Northern) change of command ceremony at Tyndall Air Force Base, Fla., Aug. 31. Clarke assumed command of 1st Air Force from Maj. Gen. Garry C. Dean, marking the first time a lieutenant general has ever held a command billet at Tyndall. (U.S. Air Force photo by Lisa Norman)