0552

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/552
Date 7 May 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: an estimate of the maximum possible supply traffic from Italy to Benghazi, with the ratio of German to Italian supplies to be loaded, on April 28; and the Japanese ambassador in Berlin quotes Ribbentrop's letter to Rashid Ali, on April 24.

Document Title Date
i Front Cover 7 May 1942 Download PDF (300 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 7 May 1942 Download PDF (1.30 MB)
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