Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1703 Register 150572 used by US Marine Corps USMC. Aircraft history and location Aircraft History 150572 US Marine Corps 1965-03-31Sikorsky UH-34D, cn 58-1703, ff:? del USMC as UH-34D, 150572, unk w/o Southeast Asia, 31Mar65. Send Updates Use APP to upload photo @ (optional) When Now? / / Send