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"On This Date in Cryptologic History" Calendar

1918: William Friedman reports to AEF G2A6 Chaumont, France

Friday, July 12, 2024

12 July 1918 - William Friedman (then a First Lieutenant) reported to AEF G2A6 Chaumont, France. G2A26 was the Radio Intelligence Section of Military Intelligence and was primarily charged with code and cipher cryptanalysis.

Learn about the career of William F. Friedman by searching the NSA's Online Collection of Historical Papers related to William Friedman. See the link below.

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