Document Title Wartime Intelligence Reports and Codeword Documents to the Prime Minister Removed from Sir Winston Churchill's Papers at the Chartwell Trust Archives
Reference CAB 163/11
Conflicts Second World War
Themes Military Intelligence and Operations, Signals Intelligence and Code-breaking, Intelligence Gathering and Surveillance
Regions Africa, Atlantic, Europe, Mediterranean, Middle East
Countries Albania, Belgium, Corsica, Crete, Croatia, Egypt, England, Finland, France, Germany, Greece, Ireland, Italy, Netherlands, Norway, Poland, Russia, Soviet Union, Spain, Sweden, Tunisia, Ukraine, Yugoslavia
Document Type Reports, Maps, Correspondence
Organisations Chiefs of Staff, Foreign Office, Geheime Staatspolizei, Security Service, Supreme Headquarters Allied Expeditionary Force, Joint Intelligence Sub-Committee, Ministry of Defence
People Harold Alexander, Francis Davidson, Francis De Guingand, Anthony Eden, Dwight Eisenhower, Bernard Montgomery, Desmond Morton


A file of intelligence reports and related correspondence to and from the British prime minister in the years 1940 to 1945. The file consists of Winston Churchill's correspondence with British military commanders and intelligence personnel on a variety of topics relating to the progress of the war, including the deciphering of Enigma and the need for more wireless operators in 1940; the situation on the Eastern Front in late 1941; the Battle of El Alamein; the German supply situation in late 1942; German plans for operations in the Adriatic and on the Dalmatian islands in 1943; attempts to confuse German air raid warning systems by creating additional radar echoes; conflicting figures from Axis and Allied reports on French civilian casualties caused by air raids prior to D-Day; German U-boat attacks on Allied supply lines after D-Day; and air force priorities and preparations for Operation Overlord.


military operations, torpedo boats, naval warfare, submarines, warships, German navy, German air force, operations planning, intelligence gathering, ports, aerial reconnaissance, amphibious operations, Trieste, air raids, anti-aircraft defence, bombing, predicting enemy intentions, partisans, Yugoslav armed forces, morale, military supplies, military strength, assessing enemy strength, underground resistance, convoys, Royal Navy, intelligence requirements, Italian army, Eastern Front, tanks, shipping, German army, military dispositions, military situation reports, climate, Red Army, roads, communications, battles, information sharing, allies, military advisors, air intelligence, wireless communications, Operation Overlord, German U-boats, fuel, naval bases, missiles, rockets, radar, communications interception, cyphers, invasion threat, personnel, deception, travel restrictions, diplomatic officials, mines, casualties, railways, civilians, sabotage, air raid warning systems, Second Battle of El Alamein, food supplies, armaments, Battle of Normandy

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