Col. Brad Hoagland, 11th Wing/Joint Base Andrews commander, speaks at the 11th Operations Group change of command ceremony June 23, 2015, at Joint Base Anacostia-Bolling, District of Columbia. Hoagland presided over the ceremony, transferring command from Col. Richard Lindlan, outgoing 11 OG commander, to Col. Jon Julian, incoming 11 OG commander. (U.S. Air Force photo by Senior Airman Preston Webb/RELEASED)