July 23, 2015 Ground testing for F-35 gun conducted at Edwards AFB 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.
Oct. 31, 2013 F-35A conducts first live fire with AMRAAM The F-35 Lightning II executed its first live-fire launch of a guided air-to-air missile over a military test range off the California coast on Oct. 30.