Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2639
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Europe
Countries Croatia, England, Germany, Hungary, Romania, Russia, Sweden, Ukraine
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 Southern Europe: status reports from 4 German units fighting in Italy, for March 18; that the 14th Panzer Corps is to attempt to recapture the railway station at Cassino; on the results of an Allied air raid against Gorizia airfield near Trieste, on March 18; and that the Germans stress the importance of defending the Dalmatian island of Vis, on March 17; on Western Europe: a German Air Force (GAF) in Berlin appraisal of Allied air raids against Vienna and the Rhineland, on March 17/18; on the Russian Front: that the German Navy appeals for fighter protection after heavy shipping losses following Russian air strikes against the Ochakov area, on March 16; that German forces retreat on the Southern Front in the face of a Russian onslaught, on March 17; and on the locations of the trainborne command post of the GAF 4th Air Fleet, as of March 17/18.


military situation reports, German army, counter-attacks, Battle of Monte Cassino, air raids, airfields, United States Army Air Force, coastal defence, artillery, effects of bombing, adverse weather conditions, Soviet air force, aerial attacks on ships, shipping losses, Eastern Front, Red Army, breakthroughs, military organisation, railways

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