found: Wikipedia, 20th June 2011:under North American A-5 Vigilante (the North American A-5 Vigilante was a carrier-based supersonic bomber designed for the United States Navy; its service in the nuclear strike role to replace the A-3 Skywarrior was very short; however, as the RA-5C, it saw extensive service during the Vietnam War in the tactical strike reconnaissance role; prior to the unification of the Navy designation sequence with the Air Force sequence in 1962, it was designated the A3J Vigilante)
