1811

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/1811
Date 9 July 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 Germany: of Allied air attacks on the night of July 8-9; on South Europe: of German telephone lines on Sardinia being sabotaged on July 7; and a German Air Force (GAF) report for July 8, including reconnaissance of Allied invasion shipping.

Document Title Date
i Front Cover 9 July 1943 Download PDF (270 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 9 July 1943 Download PDF (2.14 MB)
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