Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2289
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions East Asia, Europe, Mediterranean, Middle East, North America
Countries Crete, Croatia, England, France, Great Britain, Italy, Japan, Russia, Syria, Turkey, United States of America
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, Franklin Delano Roosevelt, Josef Stalin


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 Ankara informs the ambassador in Berlin of a decision regarding Allied proposals made at the Cairo Conference, on December 11; from the Japanese ambassador in Ankara, on von Papen's interview with the Turkish Foreign Minister in relation to the Cairo Conference, on December 9; on Southern Europe: the 14th Army reported its strength including subordinated units as 155,000, on December 12; of an instruction to the 10th and 14th Armies and the 11th Air Corps from the Commander in Chief (CinC) for the South-west, calling for economy in the use of specified ammunition which is in short supply as of December 15; of Allied air raids over Greece and Yugoslavia, on December 14; of the 2nd Air Fleet's orders for all German motor vehicles in Italy to travel in armed convoys for fear of guerrilla attacks, on December 14; a 51st Mountain Corps report of December 13, stating that an ammunition depot near Leghorn was blown up, presumably by saboteurs; of the 90th Panzer Grenadier Division's sector being penetrated by the Allies, who reached St Elena; that Kesselring orders the construction by the 10th Army of a new reserve position on the left wing, employing Italian labour forces to be conscripted for the purpose, on December 4; that the 65th Division is to be relieved by the 334th Infantry Division; that the German Admiral for the Adriatic called for a report on all ships in the Adriatic to be made available for the conquest of islands off the Dalmatian Coast, on December 15; of re-subordinations on the east coast sector involving the 10th Army and the 11th Air Corps, on December 2; of heavy damage caused to a factory possibly in Turin, in an Allied air raid, on December 4; of measures for mobile defences against increased Allied fighter attacks on the Dalmatian coastal area on December 14; that Battle Group Ruf, on Cos, requests permission to make use of volunteers and reliable Italian prisoners to compensate for losses in its personnel on December 14; and a German Admiralty summary of the operation PENITENT programme with dates for each phase, with its success being dependent on restricting sea-borne supplies to guerrillas possibly by posting U-boats in the area south of the islands, on December 14; on the Balkans: the German Air Force (GAF) reports an alleged landing on Brac which was not confirmed by air reconnaissance; on GAF operations; that the 1st Mountain Division reached the Visegad-Rogatica road; that there is no change in the area of the SS Division Prinz Eugen and the 369th Infantry Division; that the right wing of the 187th Infantry Division penetrated near Han Pijesak; and that there are no reports from the Bulgarian 24th Infantry Division, on December 15; a report from the GAF in Croatia's Advanced Battle HQ, on December 12, describing a revised plan for operation PENITENT V against Brac; a general situation appreciation by the Commander in Chief (CinC) West for December 12, noting that the Allies are carrying out landing exercises in the Plymouth-Portsmouth area, that landing craft are continuing to return to England from the Mediterranean at a slow rate, and that the development of west coast defences has continued; and that Allied submarine activities off the southern coast of France have increased; on the South-east Mediterranean: reports of air reconnaissances over Syria, with runways being constructed or extended apparently for use by two- and four-engined aircraft, on December 15; and on the Russian Front: reconnaissance reports summarised by the 4th Air Fleet, from December 13.


German army, military dispositions, Italian Campaign, military situation reports, Allied powers, breakthroughs, tanks, sabotage, ammunition dumps, occupied Italy, effects of bombing, factories, Italian war effort, operations planning, anti-Nazi resistance, occupied Greece, shipping, anti-aircraft defence, casualties, transportation, occupied Yugoslavia, aerial reconnaissance, airfields, troop movements, Red Army, Eastern Front, Turkish foreign policy, manpower, military strength, invasion preparations, second front, military exercises, training, amphibious operations, military shortages, military supplies, security, Bulgarian armed forces, fortifications, coastal defence, occupied France, Atlantic Wall, military organisation, defence, equipment, anti-tank guns, German propaganda, United States Army Air Force

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