0146

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/146
Date 17 October 1941
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: from the Japanese ambassador in Moscow on the three-power conference of September 29-October 1; supplies for the Soviets were agreed but their delivery remains uncertain; and from the Japanese consul-general in Singapore on anti-Japanese measures and defensive preparations for a war with Japan.

Document Title Date
i Front Cover 17 October 1941 Download PDF (344 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 17 October 1941 Download PDF (4.08 MB)
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