Tech Sgt. Anthony Jackson and Tech Sgt. Christian Navarro, 434th Civil Engineer Squadron heavy equipment operators, work together to build the sides of the new sand pit at Grissom Air Reserve Base, Ind. on Nov. 6, 2017. The sand pit is designed to provide Airmen with a training environment similar to what they will see when deployed. ( Air Force photo/Staff Sgt. Dakota Bergl)

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Photo credit: © Military Collection / Alamy / Afripics
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