Secretary of Defense Mark Esper tours a B-52H Stratofortress
Secretary of Defense Mark Esper tours a B-52H Stratofortress during a visit to Minot Air Force Base, N.D., Feb. 19, 2020. Esper’s visit included tours of a missile alert facility, weapons storage area and B-52 Stratofortresses. (U.S. Air Force photo by Senior Airman Ashley Boster)