0381

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/381
Date 22 February 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: intelligence on German Air Force (GAF) preparations in north-west Germany and southern Norway, possibly in connection with the movement of German heavy naval units on February 19, along with a query from the Prime Minister (PM) and a reply from the First Sea Lord (1SL); a report of GAF attacks on convoys in the Mediterranean on February 15; a GAF report of attacks on convoys on February 14-15, with a query from the PM to the 1SL; and a GAF report of a convoy being destroyed and other operations on February 15, along with the 1SL's reply to the PM's query on Mediterranean convoys. This file also includes Naval Headlines on German and Italian activity; and a Venezuelan report of German submarines in French Guiana waters, on February 22.

Document Title Date
i Front Cover 22 February 1942 Download PDF (367 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 22 February 1942 Download PDF (5.64 MB)
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