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: the Panzer Army under Rommel's day report for January 21, detailing Allied thrusts towards the Tarhuna-Castel Benito road and Azizia, and against the Italian garrison of Garian; of the assumption that the Allies intend to thrust through to the coast west of Tripoli; on preparations for counter-measures; and that the Garian garrison was withdrawn towards Jefren; the Panzer Army's report for January 22, stating that Allied forces are attacking Tripoli defensive positions; and on preparations for the evacuation of Tripoli; a German Air Force (GAF) report for January 23, on the withdrawal of the German-Italian Army according to plan; on air reconnaissance reports of Allied troop movements; and on the GAF's intentions for January 24; Bastico's report for January 21, on the desertion of Libyan troops at Ghat; and on the garrison commander's intention to withdraw to Gadames; of a German request from Rome for a report on the performance of tanks and armoured cars in use by the Italians to determine future production, on January 17; that the transport ship Ruhr carrying tanks and fuel was sunk en route to Bizerta, on January 22; Taranto reports that the tanker Thorsheimer is ready to sail for Tunisia with fuel for the German Army and the GAF; that the Air Officer Commanding (AOC) in Chief South is calling for increased vigilance from all units in North Africa, against possible Allied landings, on January 23; in general: of the GAF Commander in Chief's (CinC's) survey of operations to January 23; that Soviet forces are attacking Stalingrad with undiminished strength and causing considerable German losses; that the German-Italian Army in Libya are in the Tripoli defensive position and coming under strong Allied attacks; on the Russian Front: that the Admiral Commanding the Black Sea is requesting the GAF in Crimea to check the sea area preparatory to the construction of an ice road across the Kerch Strait, on January 17; from the Japanese ambassador in Vichy, on the effect on the French of compulsory recruitment of French workmen for Germany and the handing over of the Toulon Fleet to the Italians; and on the prospects for Laval's Government, on January 17; from the Japanese ambassador in Berlin, on Germany's treatment of occupied countries, on January 19; from the Turkish minister in Budapest, forecasting the probable end of the war within four months because of German production difficulties, on January 18; from Badoglio reporting from Tangier to the Ministry of Foreign Affairs in Rome on contacts with the Sultan of Morocco, on January 13; on the Mediterranean: that tanks were off-loaded from the supply ship Benevento at Naples in accordance with Hitler's orders that the shipment should be from Sicily only, on January 18; Naval Headlines, covering U-boats being deployed to intercept a convoy bound for North Russia; and the Foreign Ministry in Ankara relays a report from Tokyo on the Japanese internal situation, on January 18.