National Museum of the U.S. Navy

Codes and Signals: Breaking the Spy Games of World War II and the Vietnam War

This downloadable PDF focuses on code-breaking during wartime.    Subjects covered:  Agnes Meyer Driscoll, a Yeoman (F) decoding German messages and codes in World War I and helped to decode Japanese intelligence during World War II; making a book cipher and  scytale; activities on makling a cryptogram and cipher disk.

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Images:  NH 96463:   German Coding Machine:   NH 114804:  German Spy Belongings.