A UH-1N Helicopter from the 40th Helicopter Squadron prepares to take off from a refueling helicopter pad at a missile alert facility May 11, 2017, at Malmstrom Air Force Base, Mont. New helicopter pads and refueling units were recently installed to seven out of 15 MAFs to provide rapid helicopter refueling. (U.S. Air Force photo/ Staff Sgt. Delia Marchick)

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Photo by: Staff Sgt. Delia Marchick |  VIRIN: 170511-F-DB515-0448.JPG