Commonly referred to as the "Warthog" or "Hog," is a single-seat, twin turbofan subsonic attack aircraft. In service since 1976, the "Hog" primary built-inn weapon is the 30x173mm GAU-8/A Averger Cannon. The seven barrel aircraft cannon is one of the most powerful cannons ever flown and is designed as a anti-tank weapon, while the aircraft primary role is close air support (CAS).