210708-F-PG806-1163
U.S. Air Force Staff Sgt. Ashton Norton, left, precision guided munitions crew chief and Airman 1st Class Gabriel Pearce, right, munition stockpile manager, both assigned to the 388th Munitions Squadron, prepare a GBU/39B during a training exercise held at Hill Air Force Base, Utah, July 8, 2021. The GBU/39B is an extended range all-weather, day or night 250-pound class, guided munition, which relies on the Global Positioning System to provide navigation to the target. (U.S. Air Force photo by Staff Sgt. Codie Trimble)