0387

Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/387
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Europe, South Asia
Countries India, Russia
Document Type Signals Intelligence
Organisations Government Code and Cypher School
People Edward Bridges

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 report: from the Turkish ambassador in Tokyo on rumours that Japan will attack the Soviets, saying that despite anxiety over Germany's position on the Russian Front, Japan is extended and short of ships and aircraft; the Prime Minister ordered this to be sent on to Roosevelt, on February 28. This file also includes a Naval Headlines report of March 3 on German activity.

Keywords

diplomatic officials, Pacific War, predicting enemy intentions, aircraft, shipping, Japanese navy, military operations, naval intelligence, intelligence distribution, information sharing, warships, anti-aircraft defence, German U-boats, submarines, German navy, minesweeping, mines, troop movements

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