Thomas Lejeune, FlightSafety flight engineer instructor, takes Senior Airman Nick Johnson, 22d Airlift Squadron flight engineer, and Tech. Sgt. Chris Morris, 9th AS flight engineer, through C-5M Super Galaxy pre-flight procedures March 10, 2016, on Dover Air Force Base, Del. In addition to classroom instruction, flight engineer students receive in-depth ground training with the aircraft. (U.S. Air Force photo/Senior Airman Zachary Cacicia)