Shown here are Douglas A-4F Skyhawk aircraft of Attack Carrier Air Wing 21 (CVW-21) (tailcode "NP") are parked on the flight deck of the attack aircraft carrier USS Hancock (CVA-19), armed for a mission over Vietnam on 25 May 1972. Skyhawks NP-501, -505, and -510 belong to attack squadron VA-55 Warhorses, NP-316 to VA-212 Rampant Raiders, NP-412 and NP-416 to VA-164 Ghost Riders. The aircraft are armed with Mk 82 (500 lb/227 kg) and Mk 83 (1000 lb/454 kg) bombs. U.S. Navy photo.