Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2646
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 Croatia, England, Finland, France, Germany, Great Britain, Holland, Hungary, India, Iran, Italy, Netherlands, Norway, Russia, Soviet Union, Turkey, United States of America
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, Dwight Eisenhower, Hermann Göring, Adolf Hitler, Joachim von Ribbentrop, Franklin Delano Roosevelt


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 contains a message from C to the Prime Minister (PM); and includes the following reports on Italy: of an Allied air raid on Santo Stefano, that a schooner was sunk but the harbour was undamaged, on March 19; on the Adriatic: of Allied attacks by aircraft and motor torpedo boats on harbours, with two auxiliary sailing vessels being sunk; on Western Europe: a report from the Commander in Chief (CinC) West for March 16, noting transport of the 21st Panzer Division away from the area has begun; and on practice traffic involving Army Group B and the CinC West, on February 27; on South-east Europe: of guerrilla successes south-west of Donji Vakuf; of the 13th Proletarian Brigade approaching Maglaj and Zepce; and of an attack by guerrillas on Goradze being repulsed, on March 16; a German assessment that increased commando activity is to be expected in the Dodecanese, and is likely to extend to all the Aegean islands, the Ionian islands and Corfu, on March 18; and of German troops crossing into Hungary to clear up the internal political situation there, on March 19; on North East Europe: that an independent night fighter unit is to be set up in Finland; a general report from the Naval Staff for March 15, noting Allied motor torpedo boats being engaged off Gravelines; of various Allied vessels being sighted off Anzio; on the Black Sea, that five landing craft were attacked from the air near Cape Tarkhankutsk, and one was slightly damaged; that the Danube is blocked from Tulcea to Sulina; of a request from the 5th Air Fleet for the move of defensive troops (Landesschuetzen) to Norway and Finland, which is considered urgently necessary in consideration of the strained personnel situation and the probable date of a State of Emergency being declared in the North, on March 19; Naval Headlines, covering the 15-strong Preussen Group of U-boats being ordered to patrol an area in the Atlantic west of Rockall; that in the Adriatic the Germans reported a large-scale Allied commando operation against the island of Sulet; that in the Far East two U-boats U IT 24 and U 532 are en route to Penang and due to arrive on April 4; that the Japanese Army in the Rabaul area is short of supplies, particularly ammunition, with critical materials to be sent by special army boats and submarines from Palau; of there being no fuel oil in storage at Truk, as of March 12; and that two destroyers are to escort tankers between Palau and Truk, with effect from March 20; from the Japanese ambassador in Vichy, forwarding information from the French Volunteer Force serving on the northern section of the Eastern Front, about German Army antipathy for the Party, on March 15; from the Japanese ambassador, in Berlin, his weekly report for February 28 to March 5, detailing the general situation including press declarations from Goering and Goebbels; a summary of reports of the war situation on the Eastern Front; of the situation on the Italian Front; on German claims of vessels being sunk or seriously damaged; on Allied air raids on Brunswick, Stuttgart, Cologne, Bonn and Berlin, and Luftwaffe raids on south-eastern England and on London; he comments on Roosevelt's statement on the proposed handing over of elements of the Italian Fleet to the Soviet Union and the consequent relations between the Allies; he comments on the Allied bombing of the Vatican; on the visit to Hitler of the Croatian Foreign Minister; and he passes on a statement from Dr Conti, the Party Administration Leader, on the success of disease prevention measures - detailing a reduction in the numbers of typhus and dysentery patients compared with the last war, and the prevalence of scarlet fever and diphtheria but a reduced death rate; from the German ambassador in Ankara, describing a stated Turkish policy on entry into the war, relations between Turkey and the U.K., and between Turkey and the Soviet Union, tensions between the Allies, and giving an exposition of Turkish foreign policy, on March 8; from the Turkish minister in Stockholm, recounting a conversation with the German minister in Helsinki on Finnish desires for peace, on March 15; from the Portuguese minister in Budapest, that a large contingent of German troops crossed the Hungarian frontier without resistance, and is headed for Budapest, on March 19; and from the Portuguese minister in Bucharest, that German troops entered Budapest, on March 19; and that Soviet forces have reached the Romanian frontier at Yampol.


effects of bombing, air raids, ports, shipping losses, troop movements, tanks, German army, military situation reports, guerrilla warfare, occupied Yugoslavia, partisans, commando raids, occupied Greece, civil unrest, Axis powers, night fighters, military organisation, naval intelligence, German navy, warships, German U-boats, Battle of the Atlantic, convoys, Pacific War, Japanese navy, military shortages, naval bases, diplomatic intelligence, occupation arrangements, occupied France, newspapers, Turkish foreign policy, peace proposals

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