Maj. Gen. Darryl Burke, Air Force District of Washington commander, speaks during a change of command ceremony held on the Ceremonial Lawn at Joint Base Anacostia-Bolling, Washington, D.C., July 12, 2016. This ceremony transfers command of the 11th WG and Joint Base Andrews from Col. Bradley Hoagland to Col. John Teichert. (U.S. Air Force photo by Airman 1st Class Philip Bryant)