Ralph Kellenberger, FlightSafety flight engineer instructor, takes Tech. Sgt. Ryan Berry, 312th Airlift Squadron flight engineer, and Master Sgt. James Spinner, 9th AS flight engineer, through C-5M Super Galaxy pre-fight procedures during initial qualification training March 10, 2016, inside a C-5M on Dover Air Force Base, Del. All Team Dover flight engineer and pilot students go through FlightSafety prior to being sent to the Formal Training Unit. (U.S. Air Force photo/Senior Airman Zachary Cacicia)
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