U.S. Air Force Master Sgt. Steven Wescott, 108th Wing crew chief, briefs his maintenance team before the takeoff of a KC-135R Stratotanker at Oerland Air Base, Norway, May 22, 2019. The KC-135s are supporting Arctic Challenge Exercise 19, a Nordic aviation exercise intended to provide scenario-based training to prepare partner forces for enemy defensive systems. (U.S. Air National Guard photo by Staff Sgt. Kenneth Shaner Brown)

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Photo by: Staff Sgt. Kenneth Brown |  VIRIN: 190522-Z-PK324-1749.JPG