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 Western Europe: of the 16th Flak Division being ordered to cooperate with Army A Group H which remains subordinated to Army H Group B north-west of Bocholt; from the German Legation in Lisbon, forwarding information from the Portuguese Foreign Office on the Moscow Conference, on October 28; a German press circular dealing with Churchill's speech in Parliament, the recall of Stilwell and the U.S. attitude to Polish sovereignty, on November 1; and from the German military attaché in Tokyo, noting Kamikaze Naval Special Air Unit operations against Allied shipping, and that the Japanese Army is to form similar units, on November 4.