Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2302
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions East Asia, Europe, Middle East, North America
Countries Belgium, Bulgaria, Burma, China, Croatia, England, France, Germany, Great Britain, Italy, Japan, Portugal, Russia, Soviet Union, Turkey, United States of America
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, Adolf Hitler, Joachim von Ribbentrop, 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 on Italy: that the 14th Corps is anticipating an Allied attack in the Cassino direction during the last week of December; on the Adriatic: of a landing being effected, of land fighting against increasing partisan resistance, and on the prospects for Operation PENITENT 3; on South-eastern Europe: that a heavy air attack on Piraeus has aggravated the Aegean shipping situation, on December 22; Unit Holler reports the cutting off of Gythion by partisans, with German forces inadequate to cope; that reinforcements are urgently requested together with supplies of ammunition; that the urgent delivery of weapons and ammunition to Greek nationalists has been requested, with suggestions they could be employed on operations; and that food is in short supply; an urgent request from Stoeckle in Monemvasia, for weapons to be sent to Molai for the safety of the nationalist population after the departure of the German troops, on December 23; of the Naval Officer in Command (NOIC) in Gythion calling for the urgent reinforcement of units; that strong partisan groups are trying to encircle Gythion, on December 22; the 15th Mountain Corps in Croatia reports the situation at Velika Gorica becoming more acute, and anticipates a major attack, with extreme danger of losing Velika Gorica, and with Lucko also in danger, and a very tense situation in Agram; the summary of a report of a meeting between the Japanese ambassador in Berlin and Ribbentrop (see also 5213 and 5188); from the Japanese ambassador in Berlin, on the Allied air raid on Berlin, on December 18; on the Russian Front: of Soviet points of penetration in the Nikopol bridgehead being cleared up and that the German Front has improved; and of drift ice endangering vessels withdrawing from Nikolaev, on December 24.


predicting enemy intentions, Allied strategy, Italian Campaign, military situation reports, Battle of Monte Cassino, military operations, guerrilla warfare, partisans, occupied Yugoslavia, shipping losses, military dispositions, German navy, anti-Nazi resistance, occupied Greece, military strength, German army, air raids, anti-aircraft defence, German war effort, effects of bombing, defeatism, Nazi leadership, diplomatic intelligence, assessing enemy strength, Soviet war effort, Anglo-American relations

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