Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3216
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Atlantic, East Asia, Europe, Mediterranean, Middle East, Pacific
Countries Germany, Norway, Philippines, Turkey
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges


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 a BONIFACE précis (2 copies and telegraphed versions); and the following reports: from the Portuguese minister in Berlin, describing German despair, on September 9; Naval Headlines; and from a Japanese official in Berlin, saying that the situation is hopeless, on September 13.


military situation reports, Western Front, German withdrawal, Allied powers, military operations, predicting enemy intentions, Italian Campaign, troop movements, anti-Nazi resistance, occupied Yugoslavia, evacuation, occupied Greece, mines, military organisation, German army, forced labour, fortifications, breakthroughs, tanks, naval intelligence, German U-boats, Battle of the Atlantic, manpower reductions, defence, ports, occupied France, naval operations, torpedo boats, Pacific War, amphibious operations, American strategy

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