0505

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/505
Date 17 April 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 correspondence: a coversheet to Commander Denniston; to the Prime Minister (PM) from General Marshall of the U.S. Army, on the Japanese favouring an attack on the Soviet Union as the opportunity presents itself.

Document Title Date
i Front Cover 17 April 1942 Download PDF (235 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 17 April 1942 Download PDF (617 KB)
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