Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2619
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Africa, Atlantic, East Asia, Europe, Mediterranean, Middle East, North America
Countries Bulgaria, Croatia, Denmark, England, Ethiopia, Finland, France, Germany, Great Britain, Holland, Ireland, Italy, Netherlands, Portugal, Romania, Soviet Union, Spain, Turkey, United States of America
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service, United Nations
People Edward Bridges, Adolf Hitler, Phillipe P├ętain, Franklin Delano Roosevelt


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 Southern Europe: on the results of Allied air raids in the Spezia area, on March 13, with several railway bridges being destroyed; of a German steamship being sunk in Spanish territorial waters, on March 12; that a German Air Force (GAF) order of March 8 ordering the withdrawal of a fighter group from the Rome area to Bonn was cancelled, and that the unit would deploy instead to Belgrade as of March 9; Naval Headlines; from the Japanese ambassador in Ankara, forwarding a statement by the Turkish Foreign Minister, on British arms and oil supplies to Turkey, on British pressure on Turkey to enter the war, and on Soviet/Turkish relations, on March 8; from the Japanese ambassador in Berlin, a very detailed report of March 9 on discussions with the German Vice-Minister Steengracht on the current war situation, and on Allied pressure on Germany's allies and neutral countries in an attempt to isolate Germany; from the German minister in Vichy, a report of March 3, relayed by Berlin on March 7 to Tokyo and other German embassies, on the minister's talks with Marshal Petain and general impressions of Petain; and from the Turkish minister in Stockholm, describing ongoing peace negotiations between Finland and the Soviet Union, on March 11.


effects of bombing, air raids, shipping losses, aerial attacks on ships, military dispositions, German air force, naval intelligence, German U-boats, torpedo boats, warships, invasion threat, Pacific War, United States Navy, aerial attacks, Japanese navy, naval bases

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