0492

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/492
Date 12 April 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: that the Germans are using Russian methods for dealing with airfields affected by thaw, on April 11; and Naval Headlines, covering Italian convoys in the Mediterranean.

Document Title Date
i Front Cover 12 April 1942 Download PDF (237 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 12 April 1942 Download PDF (984 KB)
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