The GAU-8/A 30mm Gatlin gun iis installed on the U.S. Air Force’s A-10 Thunderbolt II aircraft and the Navy’s Goalkeeper Close-In Weapon System. The GAU-8/A provides a reliable, high-rate-of-fire, mbat-proven weapon for close air support and HDPEpboard defense missions. Each of the gun’s seven barrels ntains its own breech bolt