Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/661
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Africa, Atlantic, Europe, Mediterranean, South Asia
Countries Ceylon, Crete, Finland, Italy, Norway, Sicily
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: Naval Headlines for June 22, covering German and Italian activity; on North Africa: a German Air Force (GAF) evening report for June 21; and that the Germans are to bombard Sollum, on June 21; on the Mediterranean: a GAF bomber group is to return to Sicily from Crete, on June 21; and a German Navy summary report for June 21; 1104/T21 was abstracted for the Prime Minister (PM), see 9866.


transportation, military supplies, captured settlements, Desert War, siege of Tobruk, naval intelligence, German navy, torpedo boats, Italian navy, warships, shipping, naval bases, German army, troop movements, artillery, military dispositions, German air force, German U-boats, Battle of the Atlantic, shipping losses

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