KC-10 Extender Refuel
A KC-10 Extender from the 6th Air Refueling Squadron, receives fuel from a KC-10 Extender assigned to the 9th Air Refueling Squadron during a training mission over the Pacific Northwest, Aug. 21, 2017. Both KC-10 Extenders are assigned to Travis Air Force Base, Calif. (U.S. Air Force photo/Louis Briscese)

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Photo by: Louis Briscese |  VIRIN: 170821-F-LI975-906.JPG