3271

Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3271
Conflicts Second World War
Themes Foreign Policy and International Relations, Military Intelligence and Operations
Regions Atlantic, East Asia, Europe, Mediterranean, Middle East, North America, South Asia
Countries China, Germany, Greece, India, Japan, Persia, Philippines, Poland, Russia, United States of America
Document Type Signals Intelligence
Organisations Foreign Office, Security Service, Government Code and Cypher School
People Edward Bridges, Adolf Hitler

Description

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 Group Captain Jones to Group Captain Winterbotham for the Prime Minister (PM); and the following reports: from the Japanese ambassador in Berlin, that the Allies are believed to be preparing for a decisive offensive, on October 12, also noting German views on Poland after the Warsaw rising; from the Chinese minister in Tehran, observing the Japanese realisation that their defeat is inevitable, on October 12; and Naval Headlines.

Keywords

military organisation, German army, incompetence, German navy, warships, mechanical problems, military situation reports, Warsaw Uprising, anti-Nazi resistance, occupied Poland, reprisals, coup d’état, assassinations, Nazi leadership, Chinese Nationalists, Japanese war effort, naval intelligence, German U-boats, Battle of the Atlantic, ports, demolitions, naval operations, Pacific War, aerial attacks on ships, Japanese air force, contingency planning, invasion of the Philippines

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