190506-F-DX695-1009
Staff Sgt. Jonathon Hunley, 2nd Logistics Readiness Squadron weapons armory supervisor, checks the serial number on an M-4 carbine rifle being returned to the weapons vault at Barksdale Air Force Base, La., May 6, 2019. The vault on base houses more than 1,000 M-16 rifles, M-9 pistols and M-4 carbine rifles. (U.S. Air Force photo by Senior Airman Tessa B. Corrick)