0487

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/487
Date 10 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 reports: Naval Headlines, covering convoy and submarine activities in the Mediterranean; the Japanese minister in Sofia reports that Bulgarian troops are to remain in the Balkans to maintain law and order, on April 4; the Turkish minister in Budapest reports a rumour of impending German pressure on Turkey to clarify her position, on April 2; the Turkish ambassador in Rome reports the Hungarian denial of a rumoured Bulgaria-Hungary alliance, on April 6; and the Turkish ambassador in Kuibyshev repeats Japanese information about a German offensive against Russia, on April 5.

Document Title Date
i Front Cover 10 April 1942 Download PDF (234 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 10 April 1942 Download PDF (1.62 MB)
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