The Japanese Model ’31 Cipher Machine, led to a diplomatic machine known to the U.S. Army as RED. Another machine designed for the Japanese Navy was known as Naval Attache RED or the “M-1.” Agnes Myer Driscoll, Technical Assistant to the Officer in Charge, solved the complex code by 1935.
Archive for the ‘American Secrets’ Category
Japanese Cipher Machines and Cryptology
February 14th, 2012 
Sgt. Mac 
Posted in American Secrets 
Tags: Cryptology, Japanese Cipher Machines, Japanese Naval Codes, Secret Codes 
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Japanese Naval Codes List, Blue Book
February 12th, 2012 Sgt. Mac The Japanese RED BOOK codes, were followed in December 1930 by 85,000 code groups of the so-called Japanese Naval Codes List, Blue Book. Since no copies of the BLUE BOOK was available, it was left up to the cryptanalyst s to solve it. At the suggestion of Agnes Driscoll, LT. J.G, Thomas Dryer was given the task and solved the problem.
Japanese Naval Codes, Operation Magic
February 11th, 2012 Sgt. Mac RED BOOK, part of Operation Magic, was a Secret code-breaking project, meant to monitor, intercept & decode Japanese messages. It was run by the Army’s Signal Intelligence Section (SIS), and the Navy’s Communication Special Unit.
Posted in American Secrets Tags: Japanese Naval Codes, Operation Magic, Red Book, Secrets, WWII No Comments »
Doolittle Raiders, Tokyo Raiders of the USS Hornet
February 5th, 2011 Sgt. Mac I first learned of the famous James “Jimmy” Doolittle, while a cadet in the Civil Air Patrol in High School. Completion of certain aviation courses, resulted in the award of a ribbon related to a famous aviator.
Posted in American Secrets Tags: B-25 Mitchell, Doolittle Raiders, Gen. Jimmy Doolittle, Tokyo Raiders, USS Hornet No Comments »
