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 First Sea Lord (ISL) with the Prime Minister's (PM's) query on ZTPI/2545(469/1); the query is not included.
- Collection ID
- HW1
- Conflict
- Second World War
- Document Types
- Memorandum
- File Reference
- HW1 /0268A
- Identifier
- 10.1080/swwf.hw1.0268A.002
- Keywords
- British Intelligence Organisation
- Languages
- English
- Organizations
- Government Code and Cypher School
- Pages
- 1
- Published in
- United Kingdom
- Themes
- Intelligence Organization
