Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3294
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Atlantic, East Asia, Europe, Mediterranean, North America
Countries Austria, Brunei, Czechoslovakia, Formosa, Germany, Great Britain, Holland, Hungary, Japan, Netherlands, Norway, Russia, United States of America, Yugoslavia
Document Type Signals Intelligence
Organisations Foreign Office, Security Service, Government Code and Cypher School
People Edward Bridges, Adolf Hitler, Franklin Delano Roosevelt, Josef Stalin


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 South-east Europe: of the impending evacuation of Salonica, on October 28; on West Europe: that Small Battle Units Command prepare for a Nijmegen bridges operation, on October 27; Naval Headlines; from the Siamese charg?n Berlin, on a Hitler decree calling for partisan warfare by the German people, on October 21; from the Brazilian ambassador in London, that Churchill returns from the Moscow talks, and that a tripartite conference is to be held after the U.S. presidential election, on October 25; and from the Turkish ambassador in London, on the Moscow talks, on October 21.


evacuation, ports, occupied Greece, hospital ships, demolitions, German army, occupied Netherlands, Operation Market Garden, meteorological intelligence, naval intelligence, German U-boats, military dispositions, Battle of the Atlantic, naval operations, naval bases, shipping losses, diplomatic intelligence, civil unrest, Allied powers, politics, Anglo-Soviet relations

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