0405

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/405
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: on a German Air Force (GAF) shortage of motor transport fuel on March 11; on the Mediterranean: that GAF aircraft are en route to attack British warships on March 11; a GAF report on the above attack, from March 11; and a further GAF report on the above from March 11.

Document Title Date
i Front Cover 12 March 1942 Download PDF (239 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 12 March 1942 Download PDF (1.65 MB)
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