U.S. Air Force Col. Caroline Miller, 633rd Air Base Wing incoming commander, addresses the men and women of the 633rd ABW during a change of command ceremony at Langley Air Force Base, Va., July 13, 2015. Miller assumed command after serving as the 379th Mission Support Group commander at Al Udeid Air Base, Qatar. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)