U.S. Air Force Staff Sgt. James Jackson, 823d Base Defense Squadron support NCO in charge, loads a magazine with ammunition April 13, 2016, at Avon Park Air Force Range, Fla. Spartan Warrior week at is an annual combat readiness exercise hosted by the 93d Air Ground Operation Wing, which brings together battlefield Airmen from 20 geographically separated units. (U.S. Air Force photo by Airman 1st Class Janiqua P. Robinson/Released)