Col. Paul Kremer, Army Corps of Engineers Great Lakes and Ohio River Division acting commander, meets with the Nashville District’s leadership, engineering team, project manager, and lock master during a tour of Chickamauga Lock Dec. 5, 2017 at Tennessee River mile 471 in Chattanooga, Tenn. (USACE photo by Leon Roberts)

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