2499

Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2499
Conflicts Second World War
Themes Military Intelligence and Operations, Intelligence Operations
Regions Europe
Countries Croatia, Finland, Germany
Document Type Signals Intelligence
Organisations Government Code and Cypher School
People Not Defined

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 South Europe: that the 715th Infantry Division takes over the southern sector covering the Anzio bridgehead, from February 25; on South-east Europe: that an Allied raid on Fiume hits an oil refinery, torpedo workshops and gasworks, on February 24; of a steamship being sunk off Navarino, on February 25; of a steamship being destroyed by Allied aircraft in Sibenik harbour, on February 24; that the German Navy in the Peloponnese orders defensive measures against expected midget submarine attacks, on February 24; that a sailing vessel was sunk by an Allied submarine in the Aegean, on February 25; that the Commander in Chief (C-in-C) for the Southwest (Army Group C) objects to the transfer of regimental groups to the Austrian frontier area, because it is riddled with enemy agents, on February 15; and a German Air Force (GAF) situation report on operations against guerillas in Croatia on February 23-24; and on the Southern Russian Front: that the Admiral for the Black Sea considers he has insufficient freight space for supplies and that augmentation from the Aegean is not possible, on February 24.

Keywords

military dispositions, German army, communications, secrecy, Battle of Anzio, Operation Shingle, effects of bombing, industry, ports, air raids, shipping losses, submarines, aerial attacks on ships, predicting enemy intentions, Royal Navy, infiltrating foreign countries, agents, occupied Italy, occupied Yugoslavia, guerrilla warfare, partisans, anti-Nazi resistance, supply problems, German navy, shipping

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