The three wise monkeys of security (1943)

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One of the more memorable security billboards in Oak Ridge during the World War II Manhattan Project. The date Dec. 31, 1943. (Department of Energy archives/Ed Westcott photo)

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About Frank Munger

Senior Writer Frank Munger covers the Dept. of Energy's Oak Ridge facilities and many related topics — nuclear weapons, nuclear waste and other things nuclear, environmental cleanup and science of all sorts. Atomic City Underground is, first and foremost, a news blog, but there's room for analysis, opinion and random thoughts that have no place else to go.