Helicopter Sikorsky CH-53A Sea Stallion Serial 65-115 Register 153729 used by US Marine Corps USMC. Aircraft history and location Aircraft History 153729 US Marine Corps Sikorsky S-65A, c/n 65-115, ff:? del USMC as CH-53A 153729, unk Send Updates Use APP to upload photo @ (optional) When Now? / / Send