Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence

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-east Europe: two reports on the composition and progress eastwards of groups of vessels destined for the Leros operation, on November 10; of a request for the temporary transfer of fighters to Crete in view, apparently, of expected Allied raids, on November 10; that German convoys have arrived at Kalimnos and Kos, thereby enabling the operation against Leros to take place on November 11; that certain ammunition and equipment are being removed from Nikolaev to Romania, on November 9 and 10; that a landing operation in the Gulf of Fiume has apparently been postponed from November 10; of a German steamship being set on fire by aircraft in the Adriatic, on November 10; and that Allied air attacks damage or sink Axis vessels on the eastern Adriatic coast on November 6, 7 and 10; on Southern Europe: of Allied air raid damage to German signals equipment industries, with immediate use to be made of captured Italian supplies, especially of valves, on November 9; of proposals to personnel changes to Army Group B, on November 8; slight damage to buildings is reported as the result of an Allied air raid on a ball bearing factory west of Turin on November 9; and the 76th Corps reports that bad weather is holding up Allied operations, on November 9; and on the Russian Front: the 17th Army calculates that the daily supply requirements for Crimea will be almost doubling by mid-January, on November 3.