Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-1572 Register 150222 used by US Marine Corps USMC. Aircraft history and location Aircraft History 150222 US Marine Corps 1968-10-02Sikorsky UH-34D, cn 58-1572, ff:? del USMC as UH-34D, 150222, unk w/o Phu Bai, RVN, 02Oct68. Send Updates Use APP to upload photo @ (optional) When Now? / / Send