The LTV A-7 Corsair II was a light assault aircraft in line with the F-8 Crusader. The A-7 ended up being one of the first combat aircraft to feature a head-up display (HUD). doppler-bounded inertial navigation system, and a turbofan motor. It served with the United States Navy together with United States Air Force, and soon after utilizing the Air nationwide Guard. It was additionally exported to Southern Vietnam (through the Vietnam War), Greece (A-7H), Portugal(A-7P), and Thailand (inside belated 1980s)