Helicopter Sikorsky MH-53E Sea Dragon Serial 65-515 Register 162503 used by US Navy USN ,US Marine Corps USMC. Aircraft history and location Aircraft History 162503 US Navy 1989CH-53E type HM-12./DH-442 HM-12 US Marine Corps 2000HMT-302 /UT-42 HMHT-302 US Navy 2007HM-14 /BJ-557 2012 still HM-14 2020-10TB-21 HM-15 Send Updates Use APP to upload photo @ (optional) When Now? / / Send