A Day on the Flightline with Fuels Specialist
U.S. Air Force Staff Sgt. Andrew Copland, a fuels specialist with the 133rd Petroleum, Oil and Lubricants Flight, controls the fuel flow with the dead man handle while servicing the C-130 Hercules in St. Paul, Minn., July 18, 2019. A fuels specialist is responsible for a wide range of duties that include operating mobile refueling equipment, performing laboratory analysis on petroleum products and documenting fuel transactions. (U.S. Air National Guard photo by Amy M. Lovgren)