180215-F-AL508-0051
U.S. Air Force Master Sgt. Greg L. Thomas, back, a KC-10 Extender flight engineer, and Staff Sgt. Ryan L. Woods, a KC-10 Extender boom operator, both with the 76th Air Refueling Squadron, 514th Air Mobility Wing, Air Force Reserve Command, inspect the KC-10 CF6-50C2 turbofan engines at Joint Base McGuire-Dix-Lakehurst, N.J., Feb. 15, 2018. (U.S. Air Force photo by Master Sgt. Mark C. Olsen)