B-52H Stratofortresses from the 2nd Bomb Wing taxi down the runway during a readiness exercise at Barksdale Air Force Base, La., Oct. 14, 2020. The B-52 is a long-range, heavy bomber that can perform a variety of missions and has been the backbone of the strategic bomber force for the United States for more than 60 years. (U.S. Air Force photo by Senior Airman Lillian Miller)