U.S. Air Force Staff Sgt. Eleanor Moore, 74th Aircraft Maintenance Unit, 23d Aircraft Maintenance Squadron, weapons armament systems specialist, reviews her checklist before removing munitions off an A-10C Thunderbolt II during Red Flag 12-4 at Nellis Air Force Base, Nev., July 16, 2012. Following proper procedures and safely working with a sense of urgency increases efficiency in loading munitions onto the aircraft, which is vital to the A-10 mission. (U.S. Air Force photo by Staff Sgt. Stephanie Mancha/Released)