U.S. Air Force Airman 1st Timothy Green, 455th Expeditionary Base Defense Squadron defender, gathers his rifle and shells after zeroing his weapon May 14, 2014 at Bagram Airfield, Afghanistan. Air Force and Army personnel work together at the firing range to ensure members have operational weapons. Green is deployed from Aviano Air Base, Italy and a native of Allen, Texas. (U.S. Air Force photo by Staff Sgt. Evelyn Chavez/Released)