Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1541 Register 150210 used by US Marine Corps USMC. Aircraft history and location Aircraft History 150210 US Marine Corps 1962-10Sikorsky HUS-1, cn 58-1541, ff:? del USMC as HUS-1, 150210, unk redesig UH-34D, Oct62 soc NAF Cam Ranh Bay, RVN, 25Sep70. Send Updates Use APP to upload photo @ (optional) When Now? / / Send