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Members of the 97th Civil Engineer Squadron (CES) work on the concrete foundation of a new frangible flood gate at Altus Air Force Base, Oklahoma, Dec. 9, 2021. Each of these gates, designed and built by the 97 CES, saves an average of $90K per gate compared to similar work performed by contractors. (U.S. Air Force photo by Tech. Sgt. Robert Sizelove)
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