A 34th Bomb Squadron B-1B Lancer gains altitude at Ellsworth Air Force Base, S.D., July 20, 2021. The B-1 was one of the first aircraft to take off as part of exercise Combat Raider 21, which is designed to train aircrew in a wide range of operations against modern threats. (U.S. Air Force photo by Airman 1st Class Quentin K. Marx)