Helicopter Sikorsky MH-53E Sea Dragon Serial 65-611 Register 164768 used by US Navy USN. Aircraft history and location Aircraft History 164768 US Navy US Navy 1996 HM-15 /TB-04 HM-15 2013 HM-15 /TB-04 HM-15 Send Updates Use APP to upload photo @ (optional) When Now? / / Send