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 North Africa: that the withdrawal of the Panzer Army from its Marsa El Brega position is declared impossible owing to the fuel and motor transport shortage, on December 5; of the strength of the German ground forces for the defence of Tripoli, on December 5; that measures to protect the [Sousse]-Sfax railway are considered important for the defence of Tripoli, on December 5; and that the Minerva, en route to Tripoli, is assumed to have been lost, on December 5; Naval Headlines; from the Japanese minister in Helsinki on Finland and the war, from November 24; from the Japanese ambassador to the Vatican, giving views of the French ambassador on the war, as of December 3; from the Portuguese minister in Budapest on Romanian unrest, on December 2; from the Turkish Legation in Berne, on the situation in France, as of December 3; from the Italian ambassador in Tokyo on Japanese offensive plans, from November 28; the War Office asks the U.K. mission in Moscow to find out Japanese intentions towards the Soviet far east as there have been suggestions of a possible attack like Pearl Harbour, on December 7; the response said that this subject would be raised at the next Dubinin meeting, on December 9; the British Army staff in Washington, DC report that a Japanese attack on the maritime provinces is imminent, on December 9; and a CX report from Chungking giving details of a Korean intercept of Japanese communications, from November 24 (with a comment to the Code and Cypher School [CSS]) (an extract).