An A-10 Thunderbolt II sits in a hangar as the sun rises on Barksdale Air Force Base, La., April 9, 2013. The A-10 is equipped with one 30 mm GAU-8/A seven-barrel Gatling Gun capable of firing 3,900 rounds per minute to defeat a wide variety of targets including tanks. (U.S. Air Force photo/Senior Airman Micaiah Anthony)