The LTV A-7 Corsair II finished up being a light attack aircraft good F-8 Crusader. The A-7 finished up being the large choice of main combat aircraft to feature a head-up display (HUD). doppler-bounded inertial navigation system, and a turbofan engine. It served with both usa Navy as well as the united states of america Air Force, and right after utilising the Air nationwide Guard. It ended up also exported to Southern Vietnam (through Vietnam War), Greece (A-7H), Portugal(A-7P), and Thailand (to the belated 1980s)