File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2260
Date 25 November 1943
Government Department Government Code and Cypher School
File Accession Date 1993


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: BONIFACE summaries for the Deputy Prime Minister (PM), Brigadier Jacob and Mr Loxley; on Southern Europe: that the Germans have claimed that so far 1700 Italians and 70 guns had been captured on Samos by November 24; that Hitler demands exceptional care in the selection of junior commanders for Fortress Infantry Battalions which were being formed on Rhodes, on November 20; that Leros is to be the main German naval base in the eastern Aegean and to be strongly defended, on November 18; that the 16th Panzer Division expected a further Allied thrust in the Aventino Valley on November 24; that the German Air Force (GAF) are transferring reconnaissance and ground attack aircraft from Albania to Mostar in southern Yugoslavia for a long operational undertaking, on November 23 - these units were replacing GAF units previously at Mostar which were being sent to Russia, with some fuel and bombs to be transferred from Sarajevo to Mostar; of the Germans having shipping problems after abandoning Krk Island, south of Fiume; that an Allied air raid destroys 3 factories in Sofia on November 24; of anti-aircraft reinforcements being rushed to Turin to defend the Fiat Works and the ball-bearing factory there; and DTG 250924Z from C to Special Communications Unit (SCU) Cairo for Gore-Browne and Spencer, reporting additional defences for Turin and difficulties in moving German merchant ships along the southern Adriatic coast; on the Russian Front: of the fuel requirements for Crimea; and that 12,000 tons of fuel are required each month by the German forces in Crimea, with supplies to be sent from Constanta in Romania once Odessa was iced up; on France: of the results of an Allied bombing raid on Toulon, on November 24; and SUNSET report 392 for November 25. This file also includes the following correspondence on the Allied summit assembly in Cairo: a signal discusses the service of BONIFACE and SUNSET signals to the VIPs in Cairo and the secure communications to be used.

Document Title Date
i Front Cover 25 November 1943 Download PDF (192 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 25 November 1943 Download PDF (5.17 MB)
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