1635

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/1635
Date 25 April 1943
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 North Africa: that the German Air Force's (GAF's) transport and bombing operations are to be limited to the hours of darkness from April 25; that the rescue services must improve their performance, with their direction-finding results to date having been inadequate; and that the Italians sighted an Allied amphibious group on April 24 in the Algiers area, and suspect an imminent landing on the coast east of Cape Serrat.

Document Title Date
i Front Cover 25 April 1943 Download PDF (347 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 25 April 1943 Download PDF (1.23 MB)
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