Armament Airmen lay down the steel
U.S. Airmen assigned to the 20th Equipment Maintenance Squadron aircraft armament flight load parts of an M-61A1 20 mm multi-barrel cannon onto an inspection platform at Shaw Air Force Base, S.C., March 29, 2017. The cannon being inspected is comprised of six barrels and is tested for operations security before being installed onto an F-16CM Fighting Falcon. (U.S. Air Force photo by Airman 1st Class Christopher Maldonado)