0415

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/415
Date 15 March 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 contains a message from C to the Director of Naval Intelligence (DNI), BJ102220, with a note by the Prime Minister (PM), returned to the PM under C/8986.

Document Title Date
i Front Cover 15 March 1942 Download PDF (240 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 15 March 1942 Download PDF (195 KB)
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