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.
- Collection ID
- HW1
- Conflict
- Second World War
- Document Reference
- HW1 /1460/2
- Document Types
- Memorandum
- File Reference
- HW1 /1460
- Identifier
- 10.1080/swwf.hw1.1460.002
- Keywords
- Information Sharing
- Languages
- English
- Organizations
- Government Code and Cypher School
- Pages
- 1
- Persons Discussed
- Hastings Ismay
- Published in
- United Kingdom
- Themes
- Intelligence Organization
