7/18/2012 - The sun sets July 16, 2012, as an A-10C Thunderbolt II sits on the ramp at Nellis Air Force Base, Nev. Aircrew from the 23d Wing, 74th Fighter Squadron, at Moody Air Force Base, Ga., are flying missions from Nellis during exercise Red Flag 12-4. The training sorties will unleash up to eight MK-82 bombs per day and as much as 5,000 rounds from the A-10's 30 mm cannons. (U.S. Air Force photo by Master Sgt. Sonny Cohrs/Released)

7/18/2012 - U.S. Air Force A-10C Thunderbolt IIs, from Moody Air Force Base, GA, taxi down down the runway during the Red Flag 12-4 exercise July 18, 2012, at Nellis Air Force Base, Nev. Moody's 23d Wing is the lead wing for Red Flag this year and has more than 200 people deployed to Nellis to support the air combat training exercise. (U.S. Air Force photo by Staff Sgt. Christopher Hubenthal/Released)

7/18/2012 - An A-10C Thunderbolt II sits on the ramp July 16, 2012, at Nellis Air Force Base, Nev., prior to a mission for Red Flag 12-4, an air combat training exercise that takes place in and around the Nevada . The exercise takes primarily in and around the Nevada Test and Training Range, where A-10s will deliver MK-82s, AGM-65s, BDU-33s, chaff and flare, and rockets, in addition to firing the 30 mm GAU-8/A seven-barrel Gatling gun. (U.S. Air Force photo by Master Sgt. Sonny Cohrs/Released)