Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3501
Conflicts Second World War
Themes Military Intelligence and Operations, Weapons Technology and Nuclear Warfare, Foreign Policy and International Relations
Regions Atlantic, East Asia, Europe, Mediterranean
Countries Croatia, Greece
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Alexander Cadogan


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: a BONIFACE report; on South-east Europe: that the 4th Air Fleet states that the area south-west of Budapest might acquire increased importance with the continuance of the Russian attack, on January 31; Naval Headlines; from the Greek Consul, Adrianople, in Ankara: on conditions in ELAS (Greek People's Liberation Army)-controlled Thrace, on January 28; on Western Europe: that specific units from the Ardennes Front are to be given up to Army Group H, on January 27; and of orders to bring up the 7th Field Eratz Battalion to the 7th Parachute Division, on January 21.


Japanese war effort, fuel, transportation, military supplies, submarines, dockyards, shipping, secret weapons, missiles, weapons development, Eastern Front, evacuation, equipment, radar, German withdrawal, military organisation, troop movements, Western Front, Soviet strategy, naval intelligence, German navy, warships, shipping losses, naval operations, Pacific War, Anglo-Greek relations

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