890th MSFS Airmen requalify on machine gun
Staff Sgt. Nathan Rust, 90th Security Support Squadron combat arms instructor, raises the range flag near the firing range at Camp Guernsey, Wyo., Feb. 9, 2018. The shooting range flag signals that the range is active and to be cautious in the area. (U.S. Air Force photo by Tech. Sgt. Christopher Ruano)