Tech Sgt. Christian Navarro, 434th Civil Engineer Squadron heavy equipment operator, uses a backhoe to pour sand into the new sand pit at Grissom Air Reserve Base, Ind. on Nov. 6, 2017. The pit is 40 feet by 40 feet and contains 66 tons of sand. ( Air Force photo/Staff Sgt. Dakota Bergl)

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Size: 4555px × 3036px
Photo credit: © Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

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