1781

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/1781
Date 29 June 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 report from the Minister of Foreign Affairs in Tokyo: on Japanese-Soviet relations, as of June 23 - the Prime Minister (PM) queries the ambassador's name.

Document Title Date
i Front Cover 29 June 1943 Download PDF (262 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 29 June 1943 Download PDF (759 KB)
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