The LTV A-7 Corsair II was in fact a light assault aircraft in line with the F-8 Crusader. The A-7 was in fact among the first combat aircraft to feature a head-up display (HUD). doppler-bounded inertial navigation system, and a turbofan motor. It served with both usa Navy in addition to the usa Air Force, and later utilizing the Air nationwide Guard. It had been additionally exported to Southern Vietnam (through Vietnam War), Greece (A-7H), Portugal(A-7P), and Thailand (in belated 1980s)