Helicopter Sikorsky CH-53D Sea Stallion Serial 65-311 Register 157735 used by US Marine Corps USMC. Aircraft history and location Aircraft History 157735 US Marine Corps Sikorsky S-65C, c/n 65-311, ff:? del USMC as CH-53D 157735, unk 1978-03-20w/o 20mar78 with HMM-264 HMM-264 Send Updates Use APP to upload photo @ (optional) When Now? / / Send