1616

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/1616
Date 19 April 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 contains a message from C to Lieutenant General Sir Hastings Ismay; and a report from the Japanese ambassador in Ankara, on German measures to protect Roumanian oil installations, from April 12, with a comment from the Prime Minister (PM).

Document Title Date
i Front Cover 19 April 1943 Download PDF (345 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 19 April 1943 Download PDF (923 KB)
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