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 objectives being reached by the 1st Panzer Group on October 6 in Ukraine; on the positions reached on October 6 and central sector intentions for October 7; a situation report for October 6 in southern Ukraine; on supply difficulties for the Central Army Group; on demarkation lines for the 4th and 5th Air Corps and operational orders for October 8; on German intentions for 8 and 9 October on the north coast of the Sea of Azov, to thrust toward Maryupol; on the German listening service reading Soviet signals. This file also contains Naval Headlines report 100, covering U-boats failing to make contact with a southbound Gibraltar convoy; various convoys being reported as ready to sail to and from Tripoli; and the destroyer Pallade being damaged during an air raid on Tripoli in 1941.