841st Engineer Battalion, Army reserve, Operation Resolute Castle, 2nd July 2016 conducts roadway work using articulated concrete block (ACB) matte which are concrete blocks connected by rope-like cables which allows each individual block to be flexible to conform to the terrain. ( Army photo by Spc. Luis Ballester, 841st Engineer Battalion, United States Army Reserve)

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Size: 4032px × 3024px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

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