Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1556 Register 150217 used by US Marine Corps USMC. Aircraft history and location Aircraft History 150217 US Marine Corps 1962-10Sikorsky HUS-1, cn 58-1556, ff:? del USMC as HUS-1, 150217, unk redesig UH-34D, Oct62 soc NARF Alameda 14Jan72. Send Updates Use APP to upload photo @ (optional) When Now? / / Send