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Code Wars

John Jackson

Kindle / Hardback - 978-1-84884-510-7

Code Wars studies the effect of intelligence gained through Ultra (British Sigint) on specific operations and how this influenced the outcome of crucial campaigns such as North Africa, Crete, the Normandy invasion, as well as key naval battles, the Coventry-Churchill controversy, the V1 and V2 weapons, Hitler’s invasion of Russia and the US Sigint contribution.

It also examines the development of Colossus to break German High Command messages and became the world’s first computer.

The vital role of the intercept stations is highlighted and as a result of these activities the war was probably shortened by as much as two years, leading Signals Intelligence into the new Cold War era.

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