Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/600
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Africa, Europe
Countries Italy, Romania
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: that Kesselring's battle headquarters are at Derna on May 26; that the 8th Air Corps is to attack Sevastopol, on May 27; of operational orders for the German Air Force (GAF) on the Eastern Front for May 27; and a correction of an earlier report of Soviet use of gas, on May 25.


military organisation, German army, operations planning, Eastern Front, encirclement, Red Army, chemical warfare, Soviet air force

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