Staff Sgt. Joshua Harris, 5th Munitions Squadron armament maintenance supervisor, repairs a MAU-12 ejector bomb rack at Minot Air Force Base, N.D., Dec. 5, 2017. An armament systems maintainer’s job consists of inspecting, repairing and maintaining aircrafts’ munitions related equipment. (U.S. Air Force photo by Airman 1st Class Dillon J. Audit)