0406

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/406
Date 12 March 1942
Government Department Government Code and Cypher School
File Accession Date 1993

Description

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 reports: Naval Headlines, covering German and Italian activity; from the Japanese minister in Madrid on a possible invasion of Mozambique by South Africa, on March 4; and from the Japanese minister in Lisbon on a German warning of a British intervention in Mozambique, on March 4.

Document Title Date
i Front Cover 12 March 1942 Download PDF (238 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 12 March 1942 Download PDF (1.27 MB)
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