1460

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/1460
Date 15 March 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 Sir Hastings Ismay, including the coversheet only; reports 2266/T20 and 2268/T19 are not included; 2266/T20 was sent to the Prime Minister (PM), see 2609; and on the air defence of England, see 2566.

Document Title Date
i Front Cover 15 March 1943 Download PDF (370 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 15 March 1943 Download PDF (330 KB)
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