The Douglas A-3“Skywarrior”was a strategic nuclear bomber developed for the US Navy. The aircraft had a largely conventional semi-monocoque fuselage, with two J57turbojet engines in underwing nacelles, A-3's wings can be folded for storage below deck, radar-controlled tail turret and a crew of three. The A-3 Skywarrior project started in 1947，The prototype XA3D-1 first flew on 28 October 1952, entered service with the Navy Heavy Attack Squadron One in 1956.Production ended in 1961. Douglas total built 282 Skywarriors.
