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 the Mediterranean: a report from the Air Corps at Tunis for February 14, describing a successful German attack on Sidi Bou Zid; and Allied movement in the direction of Ben Gardane; a German Air Force (GAF) report for February 14, that the undertaking FRUEHLINGSWIND will be carried out more quickly than intended; that the assembly of forces for an attack on Gafsa is in progress; that the availability of enough fuel for the operation is in doubt; and on the numbers of serviceable tanks; on the Russian Front: the 4th Air Fleet's operational report for February 14, noting that a German attack against the Soviet bridgehead south of Novorossisk was stopped; and that Soviet forces have reached an area 15 miles west of Kharkov and are pushing south-west; Naval Headlines, covering a new U-boat group 'Ritter' of eleven boats being formed in the central North Atlantic; that a group of fifteen boats operating against convoy KMS9 was ordered to discontinue its operations; and that a U-boat group operating to the north-east of the Canaries was ordered to a new patrol line to the westward; from the French ambassador in Ankara, on Turkish fears of a successful Soviet push to the South, on February 15; from the French minister in Budapest, on Hungarian military preparations, as of February 12; from the Italian minister in Budapest, stating concern over the progress of the war, on January 21; from the Japanese ambassador in Berlin, on the effect of the Stalingrad defeat on the German people, as of February 4; from the Japanese minister in Budapest, on the effects of a fuel shortage on Axis military operations, on February 9; from the Japanese acting ambassador in Rome, on the Adana Conference, on February 12; and from the Portuguese minister in Tokyo, on the Japanese internal situation, on February 12.