Maj. Gen. Richard Clark, Eighth Air Force commander, addresses Ellsworth Airmen during the B-1 realignment ceremony at Ellsworth Air Force Base, S.D., Sept. 28, 2015. Ellsworth is one of two bases that ceremonially realigned to Air Force Global Strike Command’s Eighth Air Force today, uniting all Air Force bombers under a single command. (U.S. Air Force photo by Senior Airman Rebecca Imwalle/Released)