Helicopter Sikorsky HRS-3 Serial 55-356 Register 130226 used by US Marine Corps USMC. Built 1953. Aircraft history and location Aircraft History 130226 US Marine Corps 1953-03-06Sikorsky S-55 c/n 55-356, ff:? del USMC as HRS-3, 130226, 06Mar53 Send Updates Use APP to upload photo @ (optional) When Now? / / Send