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: of a shortage of valves for aircraft radio transmission sets due to enemy action against factories, on November 4; that part of the Goering Division is to withdraw during the night of November 4; six reports on fighting on the Italian Front on November 2 and 3; three reports on the withdrawal by the 76th Corps, on November 4; and a report of the 3rd Panzer Grenadier Division's withdrawal on November 4; on South-east Europe: that the strained air transport situation is preventing the German Air Force (GAF) from fetching special ammunition from Germany, on November 1; of an operation by the 2nd Panzer Army to eliminate a guerilla HQ, destroying supply depots and interfering with the setting up of a Communist Brigade in Tuzla, on November 3; that the launching of a reinforced concrete ship is to take place at Athens on November 6; that the 3rd SS Panzer Corps requires oil for its allotted Italian tanks, on October 24; of a proposed exchange of untrained for trained transport crews for an operation against Leros, on November 4; that the departure of units for an operation believed to be against Leros has been postponed until November 5; and of the transfer of three aircraft of a reconnaissance unit to Athens in preparation for an operation believed to be against Leros, on November 5; from the Japanese ambassador in Berlin, forwarding the views of his usual contact on the war situation, as of November 1; and from the Ministry of Foreign Affairs in Berlin, to the German Legation in Dublin, via Washington, reiterating fundamental orders, from Hitler, concerning the need-to-know principle, on October 31.