Helicopter Sikorsky CH-53D Sea Stallion Serial 65-204 Register 156957 used by US Marine Corps USMC. Aircraft history and location Aircraft History 156957 US Marine Corps Sikorsky S-65 c/n 65-204 ff? accepted by USMC as CH-53D 156957 unk w/o 8dec77 with HMM-261 HMM-261 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
