Staff Sgt. Piere Manivong, 22nd AS, completes a pre-flight inspection of a C-5M Super Galaxy landing gear prior to a flight March 7, 2017 from Yokota Air Base, Japan, to Osan Air Base, South Korea. As a flight engineer, Manivong is responsible for completing pre-flight inspections of the aircraft prior to the pilots coming on board to ensure everything is safe for the flight. (U.S. Air Force photo by Staff Sgt. Nicole Leidholm)