Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence

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Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence

4 Dec 1941

A file of signals intelligence reports, messages, and correspondence issued by the Government Code and Cypher School and sent by the head ('C') of the Secret Intelligence Service (MI6) to the Prime Minister, Winston Churchill. This file includes the following correspondence: from Tokyo to the Embassy in Mombasa and others on the destruction of ciphers and files, on December 2.
singapore security panama mexico brazil japan canada second world war signals intelligence diplomatic missions foreign office government code and cypher school code-breaking cyphers
Collection ID
HW1
Conflict
Second World War
Countries
Brazil Canada Japan Mexico Panama Singapore
Document Reference
HW1 /298/2
Document Types
Intelligence Report
File Reference
HW1 /298
Identifier
10.1080/swwf.hw1.0298.002
Keywords
Diplomatic Missions Security Cyphers
Languages
English
Organizations
Foreign Office Government Code and Cypher School
Pages
3
Published in
United Kingdom
Themes
Signals Intelligence Code-breaking

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