A B-1 bomber opens its bomb bay doors to simulate releasing weapons during a B-1 kinetic demonstration as part of the 2015 Dakota Thunder airshow and open house at Ellsworth Air Force Base, S.D., Aug. 15, 2015. The demonstration provided everyone an opportunity to see how effective a close air support mission can be in defeating our nation’s enemies. (U.S. Air Force photo by Senior Airman Anania Tekurio/Released)