6th Air Refueling Squadron maintains mission readiness
U.S. Air Force Tech. Sgt. Travis Livingston, 6th Air Refueling Squadron KC-10 Extender flight engineer, completes preflight procedures on a KC-10 at Travis Air Force Base, California, March 11, 2020. Flight engineers are responsible for monitoring and operating engine and aircraft systems while ensuring the aircraft is safe to fly by computing and applying aircraft weight, balance and performance data. (U.S. Air Force photo by Tech. Sgt. Traci Keller)
Tech. Sgt. Traci Keller
28.0-300.0 mm f/3.5-5.6
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