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 contains a message from C to the Prime Minister (PM); and the following reports on North Africa: that the German Air Force (GAF) was ordered to hinder unloading activities in Tripoli by all possible means, on February 6; a GAF situation report for February 5, noting that German forces have withdrawn to the Tunisian frontier; that Mellaha airfield has been occupied by the Allies; and the availability of German aircraft; that the Germans are again in possession of Dj Mansour; that heavy fighters are not operating because of a lack of fuel; that an Allied air raid on Elmas airfield damaged aircraft, equipment and installations, on February 1; that Kesselring orders air reconnaissance to seek an Allied Division on February 4; that the 5th Panzer Army was informed of an imminent offensive by the 1st and 8th Armies to be followed by the occupation of Morocco, on February 4; and a GAF report of a heavy U.S. bombing raid on airfields around Gabes, on February 5; on the Russian Front: that Soviet forces effected three landings in the Novorossisk area, on February 4; a GAF situation report for February 4, describing heavy defensive fighting in the Krassnodar, Rostov, Voroshilovgrad and Lissichansk areas; and that Soviet forces are pushing forward towards Donets, advancing between Oskol and Donets, and North of Kursk; of the 4th Air Fleet's urgent orders for air reconnaissance of an area reaching within 25 miles of Kharkov, on February 5; and that the Germans are reconstructing airfields in Crimea and the Taman Peninsula using all available personnel, on February 4; Naval Headlines, covering that German warships are expected to pass Bergen on February 5; and the German Naval Command in Tunisia's objections to the use of E-boats off Tripoli; Naval Headlines of February 5, covering that a German naval formation is to leave Trondheim, on February 4-5; that the Prinz Eugen proposed the deferment of a joint exercise with the Scharnhorst; that eight destroyers carrying German troops are due in Tunis on February 5; and that Soviet forces landed behind German lines in the Black Sea area; Naval Headlines of February 3, covering U-boats being in contact with convoy RA52; arrivals and departures in Bizerta; that four destroyers were due in Tunis carrying troops, on February 2; a proposal for the transfer of the German Sea Transport Office from Gabes to La Skira; and that troop transports from Piraeus are due in Rhodes, on February 4; Naval Headlines of February 4, covering that the Germans are considering the possibilities of E-boat operations from Sousse or Sfax; and that Italian midget submarines undergoing repairs in Constanza are expected to be ready in mid-March and to be manned by German crews; Naval Headlines of February 2, covering that four German landing craft are to be used for coastal supply services in Tunisia, with the remainder to be handed over for employment between Sicily and Tunisia; and that the decisive importance of the Taman Peninsula was reiterated by a German admiral; Naval Headlines of January 29, covering that an escort is to be provided for a German naval formation presumably including the Admiral Hipper, in transit between Vestfjord and Trondheimfjord; the preparations to be made for the evacuation of Rostov and Taganrog; and that U-boats are to be redirected from operations against Soviet supply traffic to the threat of Soviet landings; Naval Headlines of January 27, covering that the Scharnhorst and Prinz Eugen were en route to Norway via Skagerrak, then returned to the Baltic, and were heading for Gdynia as of January 25; that the 6th Destroyer Flotilla, including the Friedrich Ihn, was ordered to remain in Kristiansand, on January 26; that the Air Officer Commanding (AOC) is to provide air cover for a formation including the Admiral Hipper, on January 26; that no fuel was available in Italy for the Aegean, so the German Admiral in Athens was asked to loan fuel to the Italians from German stocks in Salonica, on January 26; and that all unneeded units are being evacuated from Rostov, on January 26. This file also includes the following correspondence: from the Japanese ambassador in Berlin, that the sharing of plans and projects with the Germans is urged, on January 26; that there is no change in the Turkish neutrality policy following the talks with Churchill, on February 1; from the Japanese minister in Sofia, detailing German propaganda on U.K.-Germany peace negotiations; and King Boris's views on the situation in Europe, on January 28; from the Japanese minister in Bucharest, on the consequences of German isolation, on January 26; from the Japanese ambassador in Ankara, relating the Polish military attaché's views on the Russian war, and Soviet relations with the U.K. and the U.S., on January 27; an appreciation of the war situation following discussions with the German and Italian ambassadors, on January 29; and that Churchill's meeting with Turkish leaders in Adana was unsuccessful, on January 31; from the Portuguese minister in Ankara, forwarding the Turkish Minister of Information's opinion of Hitler's war strategy, on February 1; and making speculations on the Adana meeting, on February 2; and a Turkish circular to diplomatic posts summarising the Adana meeting, on February 2.