U.S. Air Force Senior Airman Mark Walker, 633rd Security Forces Squadron armorer, inspects an M9 handgun at the squadron armory at Langley Air Force Base, Va., June 11, 2014. The armory stores and maintains accountability for nearly every weapon on the installation, including firearms and ammunition issued to all Airmen deploying downrange. (U.S. Air Force photo by Senior Airman Jason J. Brown/Released)