U.S. Air Force Staff Sgt. Juan Upegui, 351st Air Refueling Squadron boom operator, fuels a U.S. Air Force F-15C Eagle assigned to the 493rd Expeditionary Fighter Squadron over Iceland, Aug. 10, 2018. The U.S. routinely and visibly demonstrates commitment to its allies and partners through the global employment of its military forces. (U.S. Air Force photo by Airman 1st Class Alexandria Lee)

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Photo by: Airman 1st Class Alexandria Lee |  VIRIN: 180809-F-XW046-0280.JPG