Col. Gentry Boswell, 28th Bomb Wing commander, kicks off the 2015 Dakota Thunder airshow and open house with the opening remarks at Ellsworth Air Force Base, S.D., Aug. 15, 2015. More than 51,000 military members, as well as attendees from near and far, engaged in activities throughout the two-day airshow. (U.S. Air Force photo by Senior Airman Rebecca Imwalle/Released)