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 South Europe: a 2nd Air Fleet situation report, for June 4; of 51st Mountain Corps divisions withdrawing, on June 4; 76th Panzer Corps reports, for June 4; an Army Group von Zangen report on guerilla activities in northern Italy, on June 3; that the Commander in Chief (C-in-C) for the Southwest complains that the failure of divisions to inform anti-aircraft artillery of their withdrawal has resulted in a considerable loss of guns, on June 4; Naval Headlines, covering Japanese troop ships being sunk; from the Japanese ambassador in Venice, forwarding information from Mussolini on Hitler's and Ribbentrop's views on the Japanese-Soviet agreement, on May 1; and observations by the German ambassador on the success of conversations between Hitler and Mussolini, and that the latter appears to have recovered his self-confidence, on May 1.