Col. Gentry Boswell, 28th Bomb Wing commander, addresses Ellsworth Airmen during a change of command ceremony at Ellsworth Air Force Base, S.D., June 4, 2015. Boswell has served a total of eight years of his Air Force career at Ellsworth and was recently the vice wing commander. He returns to lead the wing after a one year assignment to the Pentagon. (U.S. Air Force photo by Senior Airman Hailey R. Staker/Released)