0251

Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/251
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Africa, Europe, North America
Countries Canada, Ireland, Northern Ireland, United Kingdom, United States of America
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Not Defined

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 includes the following reports: a Naval Headlines report of November 23 on German, Italian and Spanish naval activity; and from the U.S. to the Dublin Legation, a reply to an Irish enquiry about U.S. technicians in Ulster, from November 18.

Keywords

naval intelligence, Battle of the Atlantic, blockades, Italian navy, warships, troop movements, submarines, military situation reports, diplomatic intelligence, Lend-Lease

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