Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2388
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Atlantic, Europe, Mediterranean, Middle East
Countries Germany, Great Britain, Italy, Luxembourg, Poland, Russia
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service, Sicherheitsdienst
People Not Defined


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 the South East: on the ration strengths of the 10th and 14th armies, as of January 20; that Spitfires damage 6 Me109s at Siena South, on January 29; of 4 Me109s being damaged at Siena North, on January 29; and of a ship with supplies for Pianosa being badly damaged, on January 30; on South-east Europe: the 264th Infantry Division's day report, of mopping up on the south Dalmatian coast; on Germany: of an Allied air raid on Frankfurt/Main, on January 30; from the German secret service, that the Yugoslav Chetnik leader, Jevdjevic, is collaborating with Berlin against the Communists, on January 27 (not on the coversheet); Naval Headlines; and from the Turkish minister in Cairo, giving Polish views on Soviet territorial demands, on January 21.


military strength, German army, German air force, casualties, aircraft, air warfare, effects of bombing, aerial attacks on ships, shipping losses, air raids, industry, German war effort, collaborators, occupied Yugoslavia, naval intelligence, German U-boats, naval warfare, convoys, Battle of the Atlantic, demolitions, ports, diplomatic intelligence, Soviet foreign policy

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