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 West Europe: that battle groups of combed-out German Air Force (GAF) personnel are to be ready to move to the Rhine for fighting within 8 hours, on February 26; and of measures to be taken against airborne landings east of the Rhine, on February 26; Naval Headlines; from the Greek representative in London, on British support for Greece after Yalta, on February 25; from the French minister in Cairo, on Roosevelt's meeting with the Emperor of Ethiopia, and the question of U.S. air bases, on February 22; from the Greek ambassador in Ankara, on Turkish-Soviet relations, and British success in admitting Turkey to the United Nations, on February 24; from the Iraqi minister in Cairo, detailing a meeting with Ibn Saud, and Roosevelt's assurances on Syria and Palestine, on February 18; giving the views of Nuri-al-Said on the Cairo talks, on February 18; and regarding the Syrian President's talks with Churchill, on February 18; from the Brazilian ambassador in Madrid, on Stalin's disapproval of Argentina at Yalta, on February 22; from the Turkish ambassador in Moscow, on the Yalta Conference and the Soviet attitude to Japan, on February 19; from the Turkish chargé in Chungking, on the Chinese reaction to the Yalta Conference, on February 22; and a Japanese report from Berlin, SJA/1585, sent to the Assistant Chief of Air Staff Intelligence (ACASI) (see 8749).