Staff Sgt. Eric Hathaway, 5th Aircraft Maintenance Squadron weapons load crew chief, loads a laser-guided GBU-12 bomb onto a B-52H Stratofortress during Exercise Combat Hammer at Minot Air Force Base, N.D., Feb. 8, 2016. According to exercise officials, the objective of Combat Hammer is to evaluate the reliability and efficiency of existing combat weapons systems while also assessing the Air Force’s air-to-ground munitions program. (U.S. Air Force photo/Airman 1st Class J.T. Armstrong)