3514

Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3514
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Atlantic, East Asia, Europe, Mediterranean, South Asia
Countries Germany, India, Singapore
Document Type Signals Intelligence
Organisations Government Code and Cypher School
People Adolf Hitler

Description

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 Western Europe: of Army Group B reporting continued Allied concentrations in the Aachen area, with a large-scale attack expected, to occupy the Ruhr; and areas behind the front are reported to be overcrowded, and all troops are to be kept under discipline; on Hungary: that a German Corps surrounded in Budapest expects its elimination since its air supply has stopped, and its casualties are exceedingly high; of a shortage of anti-aircraft ammunition in Vienna following a large-scale air raid on February 6, with the stocks there being sufficient for three or four further attacks; Naval Headlines, covering the Allied convoy JW 64 being sighted by German Air Force (GAF) reconnaissance, with the Rasmus Group of U-boats being ordered into patrol positions; a large-scale German commando operation against Granville being attempted on February 6; fuel and victualling economies being enjoined on all fortresses by the Commander in Chief (CinC) of Naval Chief Command for the West, on February 7; that no further members of the German Navy are to be given over to the German Army but are to be formed into Naval Units trained and led by Naval officers, on February 3; that branches of the Naval War Staff are to resume work near Wilhelmshaven, on February 7; the Japanese convoy HI 93 being attacked by Allied submarines off Camranh; that the first submarine assigned to the evacuation of personnel from Luzon was delayed, and is due to arrive on February 9; and Japanese intelligence warning of a possible U.S. Air Force strike in India.

Keywords

Allied powers, troop movements, military dispositions, Western Front, operations planning, predicting enemy intentions, military discipline, roads, German army, encirclement, Eastern Front, military shortages, anti-aircraft defence, artillery, naval intelligence, aerial reconnaissance, convoys, commando raids, military supplies, fuel, occupied Channel Islands, military organisation, German navy, training, personnel, shipping losses, Pacific War, Japanese navy, aerial attacks, United States Navy

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