Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3527
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions East Asia, Europe, North America, Pacific, South Asia
Countries Australia, Austria, Belgium, Burma, China, Czechoslovakia, Finland, France, Germany, Great Britain, Holland, Hungary, India, Indochina, Italy, Japan, Malaya, Netherlands, Philippines, Poland, Russia, Thailand, Third Reich, United States of America
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, 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 contains a message from C to the Prime Minister (PM); and the following reports: from the Japanese minister in Stockholm, an agent's report of February 5, on the war on the Eastern Front, and speculation over the three-power conference, including the venue and the subjects for discussion, on February 8; from the Japanese ambassador in Moscow, on there being no reference to the Far East in the Yalta Conference joint statement, on February 17; from the Japanese ambassador in Berlin, relaying Vice-Minister Steengracht's views on the war on the Eastern Front, on February 12; and an intelligence report from his usual contact, on the prospects of Soviet forces reaching Berlin, the behaviour of Soviet troops, Seidlitz and Co making use of German prisoners, and a possible plan to bring the whole of Germany under Soviet influence, on February 10; from the Japanese consul-general in Hamburg, describing the German internal situation, that the food situation has deteriorated, and there are large numbers of refugees, and with a pessimistic view of the future, on February 6; from the Japanese minister in Berne, on the three-power talks, that the Free German Committee including Paulus and Seidlitz is in the Soviet Union, on the re-education of German PoWs, on possible U.K.-U.S. proposals to be brought to the talks, and on Soviet influence in Europe, on February 6; from the Portuguese ambassador in London, on the Crimea Conference, and the Polish government's official communiqu�, on February 17; and from the German military attach� in Bangkok, forwarding Japanese accounts of events in China, French Indo-China, Burma, Thailand and the Philippines, and Japanese assessments of the U.S. amphibious tanks Alligator and Buffalo, on February 8.


German war effort, effects of bombing, transportation, industry, Allied strategy, armistice, diplomatic intelligence, Soviet-Japanese relations, German strategy, Yalta Conference, Allied powers, Soviet foreign policy, treachery, military commanders, German army, press reports, Pacific War, Thai armed forces, military strength, Japanese strategy

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