Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2930
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Atlantic, East Asia, Europe, Mediterranean, Middle East
Countries Belgium, Bulgaria, Burma, Corsica, Denmark, France, Germany, Great Britain, Greece, Holland, Italy, Netherlands, Norway, Poland, Romania, Russia, Spain, Turkey, Yugoslavia
Document Type Signals Intelligence
Organisations Foreign Office, Security Service, Government Code and Cypher School
People Edward Bridges, Adolf Hitler


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 contains a message from C to the Prime Minister (PM); and the following reports on France: that an attack intended for June 11 by the 1st SS Panzer Corps (Ground Officer Commanding [GOC] Sepp Dietrich) will not now take place, on June 10; that the German Air Force (GAF) are to attack 500 Allied tanks north west of Caen, on June 10; of further Allied landings in the Caen area; of a heavy armoured attack in the Brouay area; that security reconnaissances have been called for off the Dutch-Belgian coast; and of a request from Panzer Group West for freedom to execute actions according to the changing situation, on June 9; on Italy: the Regional Commandant at Ancona, reporting an Allied air raid, states that an ammunition depot at Pulveria Blanca was hit, on June 10; Naval Headlines, covering that Cherbourg Torpedo Command's stocks of torpedoes and ammunition are down to 2-3 days, with attempts being made to replenish them from St Malo, for torpedo boat activities in the Channel; that Allied landings are expected on the Belgian coast, and possible landings in Norway were reported but discounted; that female staff in German naval offices in Brittany are to be returned to Germany except for indispensable cypher personnel; that schnorkel U-boats are to operate in Seine Bay, with non-schnorkel boats to remain in harbour at 6-hours' notice; that Allied troops are reported to have landed on Solta Island on June 9-10 but no contact has been made; and that the Japanese are to establish bases for midget submarines in Burma, north Sumatra and the Nicobar Islands; from the Japanese ambassador in Berlin, relating German accounts and views on the Allied invasion of France, on June 6, 7 and 8; from the French delegate in Madrid, recording Spanish reactions to the Allied invasion of France, on June 7; from the Siamese minister in Berlin, on Allied operations in France and Italy and the Nazi Party's advice to the population that captured Allied airmen should be lynched as murderers, on June 7; from the Turkish ambassador to the Yugoslav government in Cairo, describing a conversation with the Serbian leader, on June 1; and on Spanish reactions to Churchill's speech of May 24, on June 9.


diplomatic intelligence, Operation Overlord, adverse weather conditions, Battle of Normandy, German strategy, predicting enemy intentions, second front, Yugoslav politics, public statements, politicians, Anglo-Spanish relations, Spanish politics, German army, operations planning, counter-attacks, German air force, aerial attacks, tanks, aerial reconnaissance, invasion threat, Allied powers, invasion preparations, military shortages, fuel, effects of bombing, air raids, ammunition dumps, naval intelligence, demolitions, ports, German navy, torpedo boats, naval operations, mines, evacuation, female workers, German U-boats, Japanese navy, naval bases, submarines, Pacific War

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