The LTV A-7 Corsair II ended up being a light attack aircraft on the basis of the F-8 Crusader. The A-7 ended up being among the main combat aircraft to feature a head-up display (HUD). doppler-bounded inertial navigation system, and a turbofan motor. It served with the united states of america Navy even though the united states of america Air Force, and soon after utilizing the Air nationwide Guard. It absolutely was in addition exported to Southern Vietnam (through the Vietnam War), Greece (A-7H), Portugal(A-7P), and Thailand (inside belated 1980s)