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 the Moscow Front: of German Air Force (GAF) operation orders, from October 24; a situation report for October 25; the 261th Infantry Division's orders on October 24; and the 6th Division's operation intentions on October 24; on the Southern Russian Front: GAF intentions for October 23-24; and a reconnaissance report on October 23; on the Moscow Front: air operations on October 23; on the Russian Front: that GAF bomber units are to transfer to the Crimea Front; and a GAF situation report for October 23; on the Southern Russian Front: a 17th Army situation report for October 23; on the Mediterranean: a GAF report for October 24; on North Africa: GAF shipping priorities; on Turkey and Syria: German secret service activities, from October 23; that GAF personnel are not to make purchases in Bulgaria, from October 24; and a report from the Turkish minister in Berne on the war situation, from October 22.