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