a blue and orange helicopter taking off from an aircraft carrier

A CH-46 Sea Knight from ROTA Spain. Lifting off USS Nimitz, 22nd. June 1978. Taken during a Press group tour on board ,when USS Nimitz was visiting Portsmouth Navel Base England. I ducked out early and got to the flight deck on my own, to take many photos. of the various Air Wing aircraft parked "On Deck"