A U.S. Air Force A/OA-10 Thunderbolt II is surrounded by a cloud of gun smoke. A U.S. Air Force A/OA-10 Thunderbolt II from the 355th Fighter Squadron is surrounded by a cloud of gun smoke as it fires a 30mm GAU-8 Avenger Gatling gun over the Pacific Alaska Range Complex in Alaska on May 29, 2007. The seven-barrel Gatling gun can be fired at a rate of 3,900 rounds per minute. SHARE: Download: Full Size (0.02 MB) Tags: Military Services, News Photos, Other Subjects, Lead Photos, DoD Organizations, Air Force Credit: VIRIN: 161192-F-KJB49-350.jpg Photo Gallery