Helicopter Sikorsky HRS-2 Serial 55-207 Register 130150 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 130150 US Marine Corps 1952-08-11Sikorsky S-55 c/n 55-207, ff:? del USMC as HRS-2, 130150, 11Aug52 1954-12-21 Sikorsky HRS-3 21dec54 1964-11-17 soc 17nov64 Send Updates Use APP to upload photo @ (optional) When Now? / / Send