--The Skyhawk single-seat final model [A-4M] is an aircraft developed for the US Marine Corps. --When the deployment of the A-7 Corsair II to the US Navy began and the leading role of the carrier-capable attack aircraft was changed from A-4 to A-7 the US Marine Corps landed the A-4M instead of the A-7. Adopted as an attack aircraft. --For the M type the engine was replaced with the J52-P-408A and the intake was also enlarged accordingly. --The outline of the vertical stabilizer has also been changed to a square shape. A large type of windshield is also installed. --The electronic equipment has also been significantly redesigned including the fin tip radome on the vertical stabilizer the LST on the nose and the ALR-54 / ALQ-126 on the nose and tail..