Gen. Gary North, Pacific Air Forces commander, passes the 13th Air Force unit flag to Lt. Gen. Herbert "Hawk" Carlisle, who assumed command of 13th Air Force during a change of command ceremony at Hickam Air Force Base, Hawaii, Sept. 2. Carlisle was the 3rd Wing commander at Elmendorf AFB, Alaska, from May 2005 to June 2007. (Air Force photo/Oscar Hernandez)