Helicopter Sikorsky CH-53A Sea Stallion Serial 65-112 Register 153726 used by US Marine Corps USMC. Aircraft history and location Aircraft History 153726 US Marine Corps Sikorsky S-65A, c/n 65-112, ff:? del USMC as CH-53A 153726, unk Send Updates Use APP to upload photo @ (optional) When Now? / / Send