An F-35A Lightning II, tail number AF-2, fires a burst of rounds down range at the Edwards Gun Harmonizing Range July 17, 2015, on Edwards Air Force Base, Calif. The F-35 Joint Strike Fighter Integrated Test Force is in the process of testing the F-35A Lightning II's newest munitions asset; a four-barrel Gatling gun that fires 25 mm rounds, known as the GAU-22/A. (Courtesy photo/Darin Russell)
{}