Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3018
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Europe, Mediterranean
Countries Corsica, England, Gibraltar, Italy, Sardinia
Document Type Signals Intelligence
Organisations Government Code and Cypher School
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 France: the 86th Corps reports that strong Allied attacks supported by tanks were beaten off on the road from St Aubin sur Mer-Caen; and that Allied tank concentrations near Escoville and St Honorine suggest an imminent attack to the south or east, on June 29; and a day report from the 1st SS Panzer Corps for June 25, noting heavy expenditure of ammunition, and the need for restocking of both ammunition and fuel; on Italy: that the 42nd Jaeger Division, the 34th Infantry Division and the 135th Fortress Brigade are concentrated under the Lieb Group, on June 26; of a blockship being sunk in the southern entrance to Leghorn, on June 22; and that Leghorn is closed with destruction measures in progress as of June 27; on the Mediterranean: a summary of the situation by the German Admiralty, on June 10; and a directive from the Admiralty urging economy in the use of fuel and protection from air raids, on June 22, with all heavy diesel oil issues to be decreased by one third compared with May.


German army, defence, British army, military operations, tanks, Battle of Normandy, Operation Overlord, military situation reports, military shortages, fuel, military organisation, ad hoc units, Italian Campaign, demolitions, ports, German withdrawal, predicting enemy intentions, Allied strategy

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