Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/1912
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Atlantic, East Asia, Europe, Mediterranean, Middle East, North America, South Asia
Countries Albania, Bulgaria, Corsica, Crete, Croatia, Cyprus, England, France, Germany, Great Britain, Greece, Iceland, India, Italy, Japan, Montenegro, Norway, Romania, Sardinia, Scotland, Serbia, Sicily, Singapore, Turkey, United States of America
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, Adolf Hitler, Benito Mussolini, Joachim von Ribbentrop


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 on Southern Europe: a situation report for Sicily, for August 2; a return of serviceable anti-tank guns of the 15th Panzer Grenadier Division on July 31; of an operations order for the 2nd Air Corps, of reconnaissance for August 3; of German Air Force (GAF) fighter and ground attack units transferring to Corsica, on August 2; of a fighter unit moving its battle HQ from Vibo Valentia, on August 1; that all units of the 2nd Air Corps are to keep a standing reserve of motor transport and aircraft fuel for an emergency, on August 1; three airfields in Sardinia are reported to be unusable for Allied landings, on August 2; and of leave being suspended for Italian naval personnel at Toulon, Bastia and Rhodes, on August 2; that German armed forces propaganda discourages discussion of Italian events, on August 1; on South-east Europe: of air operations by GAF Command South-east on August 1; on German claims of Allied aircraft being shot down in a Ploesti raid, on August 2; that Hitler orders Croatian guerillas to be treated as prisoners of war in order to preserve manpower, on July 28; and on guerillas' activities in Greece, on July 31; on Germany: of indications that through rail travel via Hamburg is impossible, as of August 1; and that increased readiness of the ground organisation is necessary in the north-west air defence area, on August 1; on North-west Europe: that an Allied air attack on an Axis convoy off south-west Norway was claimed to have been unsuccessful, on August 2; and from the Japanese ambassador in Berlin, describing an interview with Hitler, on July 30; this was shown to His Majesty the King.


military situation reports, invasion of Sicily, Operation Husky, German withdrawal, anti-tank guns, German army, aerial reconnaissance, Allied powers, airfields, German air force, military dispositions, military organisation, contingency planning, fuel, effects of bombing, air raids, German propaganda, censorship, air warfare, aerial attacks, oil, casualties, United States Army Air Force, prisoners of war, partisans, guerrilla warfare, occupied Yugoslavia, occupied Greece, anti-Nazi resistance, transportation, railways, communications disruption, aerial attacks on ships, Royal Air Force, German navy, diplomatic intelligence, Axis powers, information sharing, Axis strategy

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