Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2768
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Africa, Atlantic, East Asia, Europe, Mediterranean
Countries Albania, England, France, Germany, Japan, Singapore, Tunisia
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, Adolf Hitler, Phillipe P├ętain, Erwin Rommel


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 West Europe: a report from the Commander in Chief (C-in-C) West on the West Coast Front and moves of formations and units, on May 4; on South and South-east Europe: that the German Air Force (GAF) in Albania are to reconnoitre Bari and Taranto harbours, on May 7; Naval Headlines, covering the Germans claiming atrocities were committed on Amorgos by British commandos; from the Japanese ambassador in Vichy, that Petain and French ministers are to move to the Paris area because of German fears of Allied landings, on May 5; from the Japanese naval attach� in Berlin, describing a tour of German military defences in northern France, from April 20-24; from the Japanese representative of the Ministry of the Interior in Berlin, an assessment of the percentage of air raid damage caused to German cities, as of April 18; and an assessment by the Assistant Chief of Air Staff Intelligence (ACASI), on May 7.


troop movements, military dispositions, German army, occupied France, intelligence requirements, aerial reconnaissance, German air force, Allied powers, ports, invasion preparations, landing craft, naval intelligence, commando raids, execution, prisoners of war, Japanese navy, shipping losses, warships, Pacific War, diplomatic intelligence, politicians, Vichy regime, military organisation, military commanders, coastal defence, invasion threat, second front, fortifications, mines, artillery, radar, aerial attacks, effects of bombing, housing

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