Staff Sgt. Brett Davis and Spc. James Williams, assigned to 588th Brigade Engineer Battalion, 3rd Armored Brigade Combat Team, 4th Infantry Division, construct a field expedient communications antenna in sub-freezing temperatures during the Best Sapper Competition, Fort Carson, Colorado, Dec. 6, 2017. (U. S. Army photo by Sgt. Micah Merrill)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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