A U.S. Air Force KC-10 Extender aircraft from the 6th Air Refueling Squadron prepares to receive fuel from another KC-10 with the 9th ARS during a training sortie over California, Oct. 24, 2018. Travis Airmen conduct training events to stay current and be prepared for future mobility operations. (U.S. Air Force Photo by Master Sgt. Joseph Swafford)

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Photo by: Master Sgt. Joseph Swafford |  VIRIN: 181024-F-QN515-1847.JPG