Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2658
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Europe, Mediterranean, Middle East
Countries Bulgaria, Corsica, Hungary, Romania, Russia, Soviet Union, Spain, Turkey, Ukraine, Yugoslavia
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, Adolf Hitler


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 the following reports on South-eastern Europe: that the Allies are in occupation of Starigrad on Hvar, and that Geitner, the senior German Staff Officer, calls for counter attacks by sea and air, on March 23; of the operational orders issued to the 12th R Flotilla for March 21-22; that Solta is in Allied hands; that further landings on the Dalmatian islands are expected; that Allied warships are in the area south of Split to Dubrovnik; that there are no German naval forces in the operational area; that a flotilla was ordered to patrol the sea area west of Lagosta and Hvar and to intercept and destroy partisan vessels; that the Allies are reported to have landed on the southern part of Hvar; that E-boats at Pola and Venice are to be at war readiness and be prepared to transfer; reports from Drvenik and Korcula of Allied shipping activity between Hvar and Vis and the mainland; and of the bombardment of Hvar from the sea and air, on March 23; Group South Operations reports to the Admiral for the Black Sea that the operation to occupy Hungary is proceeding according to plan, with the old Hungarian government having resigned, and with a new government with Imredy as Prime Minister being formed, on March 23; on Italy: a situation report for March 21, stating that the losses incurred since the beginning of the second battle for Cassino are not as high as first reported; reports of the 14th Army's 92nd Infantry Division; the 1st Parachute Corps; the 76th Panzer Corps; and Army Group von Zangen; on the transport situation of the 114th Jaeger Division; and the 162nd Turkish Infantry Division; the 1st Parachute Division reports strong Allied attacks supported by armour against the northern part of Cassino were smashed by concerted efforts of all arms, with Allied air supply containers being dropped into German positions, on March 22; a report on mines, from the Commander in Chief (CinC) for the South West, on March 23, includes the numbers and types that were laid; of the location of the 114th Jaeger Division, given as 20 miles west of Rome in the 14th Army's area, on March 23; reports from Juno (the 362nd Infantry Division) for March 23 of lively Allied artillery fire along the whole front; of the Allies digging in 300 metres in front of the main defence line east of Fosso Delle Mole; and of changes in the front line; on Eastern Europe: a report from the 4th Air Fleet for March 21, describing the tasks of Flak units in Southern Russia together with detailed orders; that Army Group A was informed by the Admiral for the Black Sea of the limited availability of shipping space with the required draught of 70 centimetres or less for the Dniester, on March 21; a German Air Force (GAF) summary of reconnaissances on March 23, in front of the 17th Army in the Kerch Strait, the 6th Army in front of the Nikolaev bridgehead, the 8th Army on the roads north of the Dniester, the 1st Panzer Army south of Yampol, and in Floresti, Stramba, Spelina and Sofia; that the 4th Panzer Army break through in an area south of Tarnopol; of indications that Soviet forces are within 10 miles of Balti and within 15 miles of Dniestra south of Tarnopol; the Naval Liaison Officer with Army Transport reports the situation on March 21 in the areas of the 17th and 6th Armies and recommends abandonment of the Nikolaev position; and of convoys sailing from Odessa carrying irreplaceable machine tools to Galats and Braila in Romania, with surface and air escorts requested for March 23; on Southern Europe: of an indent from the CinC South West (Army Group C) for anti-tank and anti-personnel mines on March 20; the Portuguese minister in Bucharest anticipates German interference in Romania, following the occupation of Hungary, on March 21; from the Portuguese charg� in Bucharest, detailing the situation on the Eastern Front with Soviet troops having entered the Romanian town of Soroca, on March 21; from the Turkish ambassador to the Yugoslav government in Cairo, on the Yugoslav attitude to the Allies, on March 15; and from the Turkish minister in Sofia, regarding relations between the Soviets and Bulgaria, on March 20.


Allied powers, occupied Yugoslavia, captured settlements, amphibious operations, aerial attacks, naval bombardment, military situation reports, Battle of Monte Cassino, casualties, German army, railways, military operations, tanks, supply problems, mines, troop movements, military dispositions, occupation arrangements, occupied Hungary, anti-aircraft defence, airfields, Eastern Front, shipping, Red Army, breakthroughs, liaison, German withdrawal, diplomatic intelligence, Yugoslav politics

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