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Herbert Yardley began as a code clerk in the State Department. After the outbreak of war he became the head of the cryptographic section of Military Intelligence Section [7] and was with the American Expeditionary Force in World War I as a Signals Corps cryptologic officer in France. He later headed the Cipher Bureau, a new cryptanalysis group ...
Special Operations Executive. Special Operations Executive (SOE) was a British organisation formed in 1940 to conduct espionage, sabotage and reconnaissance in German-occupied Europe and to aid local resistance movements during World War II. SOE personnel operated in all territories occupied or attacked by the Axis powers, except where ...
Code talker. Checked. Choctaw soldiers in training in World War I for coded radio and telephone transmissions. A code talker was a person employed by the military during wartime to use a little-known language as a means of secret communication. The term is most often used for United States service members during the World Wars who used their ...
List of Codemasters video games. Codemasters is a British video game developer and formerly publisher founded by David Darling and his brother Richard in 1986 and became a subsidiary of Electronic Arts in 2021. The headquarter of the studio is set in Southam, Warwickshire, while the company's 3 subsidiaries are set in Birmingham and Kuala ...
Survival handbook of the United States Army Air Forces (USAAF) from 1944. Survival, Evasion, Resistance, and Escape (SERE) is a training concept originally developed by the United Kingdom during World War II. It is best known by its military acronym and prepares a range of Western forces to survive when evading or being captured.
Shackle code. A shackle code is a cryptographic system used in radio communications on the battle field by the US military, the Rhodesian Army, and the Canadian Army, among other English speaking militaries which might not distribute or require sophisticated one-time use pads. It is specialized for the transmission of numerals.
Trench code. Trench codes (a form of cryptography) were codes used for secrecy by field armies in World War I. [1][2] Messages by field telephone, radio and carrier pigeons could be intercepted, hence the need for tactical World War I cryptography. Originally, the most commonly used codes were simple substitution codes, but due to the relative ...
In 1923, a US Navy officer acquired a stolen copy of the Secret Operating Code codebook used by the Imperial Japanese Navy during World War I.Photographs of the codebook were given to the cryptanalysts at the Research Desk and the processed code was kept in red-colored folders (to indicate its Top Secret classification).