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

7 Oct 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 message: a note recording the solution to the U-boat cipher problem.
second world war intelligence organization government code and cypher school cyphers german u-boats
Collection ID
HW1
Conflict
Second World War
Document Reference
HW1 /122/2
Document Types
Intelligence Report
File Reference
HW1 /122
Identifier
10.1080/swwf.hw1.0122.002
Keywords
Cyphers German U-boats
Languages
English
Organizations
Government Code and Cypher School
Pages
1
Published in
United Kingdom
Themes
Intelligence Organization