Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/455
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Atlantic, Europe, Mediterranean
Countries Iceland, Italy, Malta, Norway
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 the Russian Front: a German IX Army Corps report for March 27; German XLVI reports and intentions for March 26-27; and on German Air Force (GAF) bombing orders for March 27; and a Naval Headlines report on German operations against Arctic convoys and Italian activity.


invasion of the Soviet Union, Red Army, counter-attacks, military situation reports, naval intelligence, German U-boats, convoys, military organisation, Italian navy, warships

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