Helicopter Sikorsky CH-53D Sea Stallion Serial 65-182 Register 156951 used by US Marine Corps USMC. Aircraft history and location Aircraft History 156951 US Marine Corps Sikorsky S-65A, c/n 65-182, ff:? del USMC as CH-53D 156951, unk w/o 7sep80 with HMH-461 HMH-461 Send Updates Use APP to upload photo @ (optional) When Now? / / Send