Maj. Gen. Sharon K. G. Dunbar, Air Force District of Washington commander, Col. Bradley Hoagland and Col. Bill Knight take center stage at the 11th Wing change of command ceremony at Joint Base Andrews, Md., July 14, 2014. This ceremony transfers command from Knight to Hoagland. (U.S. Air Force photo/Airman 1st Class Joshua R. M. Dewberry)