Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/649
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Africa, Atlantic, East Asia, Europe, Mediterranean, Pacific, South Asia
Countries Australia, Bermuda, China, Crete, France, Germany, Gibraltar, Ibiza, India, Indochina, Italy, Japan, Malaya, Malta, Russia, Sardinia, Scotland, Sicily, Spain, Taiwan, Togo
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges


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 on North Africa: that a statement of the Panzer Army's strength and losses is required by General Halder as of June 10; a report for June 11 describing heavy Allied casualties; a German naval report for June 14, covering the Atlantic and the Mediterranean; on South Russia: a 4th Air Fleet special operational report, for June 14; Naval Headlines; the Japanese ambassador in Hanoi calls for a response to reports of a U.S. naval victory at Midway on June 10; of a Japanese Ministry of Foreign Affairs complaint to Lisbon about the non-cooperation of Portuguese authorities in Timor and pro-Australian activities, on June 8; and a Japanese Ministry of Foreign Affairs signal to the ambassador in Vichy, outlining Japanese policy towards France and French possessions, on April 28.


intelligence requirements, German army, military commanders, casualties, Desert War, military situation reports, Battle of Gazala, captured settlements, naval intelligence, aerial attacks on ships, German U-boats, Royal Navy, military dispositions, aerial attacks, Soviet air force, torpedo boats, Italian navy, shipping, diplomatic intelligence, propaganda, Pacific War

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