Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2903
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Atlantic, East Asia, Europe, Mediterranean, North America
Countries Bulgaria, England, France, Germany, Great Britain, Hungary, Italy, Japan, Siam, Spain, United States of America
Document Type Signals Intelligence
Organisations Foreign Office, Security Service, Government Code and Cypher School
People Edward Bridges, Karl Dönitz, Adolf Hitler, Joachim von Ribbentrop


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 Europe: that the Germans withdraw from Civitavecchia and demolish the harbour, on June 7; that Kesselring adjusts the situation by withdrawing forces, but that the situation can only be eased by strong German Air Force (GAF) fighter and ground-attack reinforcements, on June 5; and that the 362nd Infantry and 5th Mountain Divisions are to withdraw, on the night of June 6-7; Naval Headlines, covering the naval reaction to the Normandy landings; from the Japanese ambassador in Berlin, that Hitler and the ambassador reviewed the future war strategy, on June 3 - the Prime Minister (PM) says that Field Marshal Smuts is to see this; and forwarding German information on the new Bulgarian cabinet and U.K.-U.S. friction over both Spain and de Gaulle, on June 2; from the Siamese minister in Berlin, describing a petrol shortage, and Germany's loss of the air war, on May 31; and from the Turkish military attach� in Budapest, detailing air raids on Hungary, on June 3.


demolitions, ports, German withdrawal, Italian Campaign, military shortages, air power, naval intelligence, naval operations, landing places, Battle of Normandy, Operation Overlord, German navy, warships, German U-boats, Japanese navy, shipping losses, submarines, aerial attacks on ships, United States Navy, diplomatic intelligence, Axis strategy, German war effort, medical supplies, Bulgarian politics

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