Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1675 Register 150264 used by US Marine Corps USMC. Aircraft history and location Aircraft History 150264 US Marine Corps 1970-11-07Sikorsky UH-34D, cn 58-1675, ff:? del USMC as UH-34D, 150264, unk w/o NAS Agana, 07Nov70. Send Updates Use APP to upload photo @ (optional) When Now? / / Send