388th FW fires F-35A cannon for first time Posted on August 17, 2018August 17, 2018 by alert5 388th Fighter Wing’s 4th Fighter Squadron were the first operational unit to fire the F-35A’s 25 mm cannon in a strafing run during training at Utah Test and Training range on Aug. 13. U.S. Air Force photo by Todd Cromar Source Related posts (Automatically Generated): Former museum director jailed for buying Vulcan cannon Vulcan XH558 with the Red Arrows one last time – watch it from the cockpit 388th FW returns home from Afghanistan GAU-23 30mm cannon cleared for U.S. Air Force AC-130W Watch the JASDF F-15J fire its M61 Vulcan cannon Testing of PAK-FA’s 9-A1-4071K cannon likely to be completed this year