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 Southern Europe: an Italian situation report for October 5; of the front line on the central sector of the Italian Front according to the 76th Corps, as of October 5; three reports on activity on the Italian Front for October 5; that mopping up operations south of Trieste are reported to have been completed by October 4; and of certain German Air Force (GAF) railway transports away from Rome being doubled from October 5, with all goods to be cleared by October 15; on South-east Europe: of indications of impending German operations against Naxos, on October 4; a GAF situation report for October 4 including that the Germans are in complete possession of Kos; a report of October 3 on operations on Kos; a directive ordering employment of a GAF anti-shipping unit (KG100) only against worthwhile targets, on October 5; on the Russian Front: GAF reconnaissance reports on crossings of the Dnieper in several places, and referring to the area of penetration, on October 5; and SHARK: reporting success on October 2.