The U.S. Air Force Honor Guard performs during the Air Force District of Washington change of command on the U.S. Air Force Ceremonial Lawn July 26 at Joint Base Anacostia-Bolling, Washington, D.C. Maj. Gen. Sharon K.G. Dunbar assumed command from outgoing commander Maj. Gen. Darren W. McDew. (U.S. Air Force photo by Senior Airman Steele C. G. Britton)