Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2694
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Africa, Atlantic, East Asia, Europe, Mediterranean
Countries Belgium, China, Corsica, England, France, Germany, Great Britain, Holland, Hungary, Italy, Japan, Netherlands, Romania, Russia, Sardinia, Singapore, South Africa, Ukraine
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, Hermann Göring


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 West and South Europe: the Commander in Chief (C-in-C) West's appreciation of Allied invasion intentions and of German preparations for defence, on March 21; on South Europe: the naval harbour master at Benedetto reports a continuous air attack, on April 4; and of evidence for the diversion of Panther tanks from the 1st Panzer Regiment and the 26th Panzer Division, to the Russian Front, on March 19; on Germany: of Allied raids on Augsburg, Schweinfurt, Regensburg and Steyr, on March 2; on the Southern Russian Front: of Army Group A's situation, on the morning of April 5, stating that the 6th Army has been split; and of the encircled 1st Panzer Army attacking to break out westwards, on April 6; Naval Headlines; from the Portuguese minister in Budapest, on the bombing of Budapest, on April 3; from the Japanese Ministry of Foreign Affairs to the ambassador in Moscow, noting the desire for progress in Japanese-Soviet relations, on April 2; and from the Turkish ambassador in Bucharest, that the evacuation of northern Roumania has become a rout, on April 3.


invasion preparations, assessing enemy strength, second front, invasion threat, coastal defence, predicting enemy intentions, evacuation, effects of bombing, railways, German war effort, industry, military dispositions, tanks, Eastern Front, German army, Red Army, military operations, military situation reports, encirclement, naval intelligence, German U-boats, shipping losses, Japanese navy, aircraft carriers, Pacific War

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