Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1554 Register 150215 used by US Marine Corps USMC. Aircraft history and location Aircraft History 150215 US Marine Corps 1962-10Sikorsky HUS-1, cn 58-1554, ff:? del USMC as HUS-1, 150215, unk redesig UH-34D, Oct62 w/o 27May70. Send Updates Use APP to upload photo @ (optional) When Now? / / Send