Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2798
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Africa, Atlantic, East Asia, Europe, Mediterranean, North America
Countries Denmark, France, Germany, Guinea, Italy, Norway, Philippines, Romania, Singapore, Ukraine, United States of America
Document Type Signals Intelligence
Organisations Foreign Office, Security Service, Government Code and Cypher School
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 the following reports on Southern Europe: battle reports on the main Italian Front, for May 15; that the 1st Parachute Division urgently requests ground attack aircraft to attack, on May 15; the German Air Force (GAF) station command at Vicenza reports damage inflicted by the Allies, on May 14; and an incomplete appreciation, made in Italy, of U.S. forces, on May 10; on Western Europe: of indications that continual bombing of airfields in the west is forcing the GAF to rely more than had been its intention on alternative airfields, on May 13; and of damage to a GAF station at Luxeuil being inflicted by the Allies, on May 15; that reinforcement of the flak protection of hydrogenation plants in Germany has been ordered at the expense of the GAF arms industry, on May 14; on the Russian Front: that the Admiral for the Black Sea is forestalling the army's expected attempt to blame the navy for the incomplete transport away of troops from Crimea, on May 13; and situation reports for May 13 and 14 in south Russia; Naval Headlines; from the French delegate in Stockholm, noting Soviet interest in Denmark, on May 11; from the French minister in Bucharest, describing air raid damage, on May 9; from the Chinese charg� in Berne, on the military situation, as at May 11; and from the Japanese ambassador in Berlin, detailing daylight raids on Berlin, on May 9.


military situation reports, Battle of Monte Cassino, military operations, Allied powers, German army, defence, casualties, effects of bombing, air raids, occupied Italy, airfields, German air force, German strategy, anti-aircraft defence, Home Front, factories, German navy, shipping losses, evacuation, Eastern Front, aerial attacks on ships, Soviet air force, Red Army, Romanian armed forces, assessing enemy strength, United States Army, military strength, naval intelligence, warships, torpedo boats, Royal Navy, naval operations, aircraft carriers, Pacific War, Japanese navy, landing craft, diplomatic intelligence, Soviet strategy

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