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 Mediterranean: of attacks on the Gibraltar convoy by aircraft from Sardinia and Sicily on November 7; on North Africa: that German and Italian transport aircraft are to carry motor transport fuel to a forward airfield with a fighter escort, on November 7; that the Monreale is due in Benghazi carrying supplies; of supplies and spares carried by landing craft and ferries to Tobruk and Benghazi; German Air Force (GAF) reports of convoys off North Africa, on November 6; of the positions of an Allied convoy; that the GAF unit in Elmas has been warned of possible air raids or sabotage operations; that the Air Officer Commanding (AOC) 2nd Air Corps, General Loerzer, calls for an all-out effort in the battle against an Allied convoy, on November 6; that Rommel has called a conference of senior German and Italian officers at Sidi Barrani for November 7; and that the Panzer Army is withdrawing in the face of an Allied attack, on November 6.