U.S. Army Staff Sgt. Mike Koch, U.S. Army Golden Knights parachutist, performs a jump with the American flag during the national anthem at Ellsworth Air Force Base, S.D., Aug. 15, 2015. As a part of the opening ceremony of the 2015 Dakota Thunder airshow and open house, the Golden Knights completed a 10,000-foot jump onto the flightline. (U.S. Air Force photo by Senior Airman Rebecca Imwalle/Released)