Eleven U.S. Air Force Airmen from the Munitions Flight of the 307th Maintenance Squadron compete for the Ellis Giant Sword Trophy of the Global Strike Challenge on Aug. 14, 2015 on Barksdale Air Force base. The team is competing against other units in the Air Force Global Strike Command by showing their swiftness and accuracy assembling a Munitions Assembly Conveyor, a conventional munitions bomb build and vehicle challenges. (U.S. Air Force photo by Master Sgt. Dachelle Melville/Released)