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: that Kesselring makes German generals responsible for the left flank, on July 15; the Commander in Chief (C-in-C) South reports the situation in Sicily on July 15; German sea transport say that unloading at Catania and Molini is no longer possible, on July 15; of the Germans withdrawing weapons and equipment from Sicily, on July 15; that a steamship was sunk in an Allied raid on Messina, on July 15; that the German Air Force (GAF) airfield regional command at Catania is transferring to the mainland, from July 15; that GAF radio direction finding units are being withdrawn to the mainland, on July 15; that the ferrying of GAF ground staff to the mainland is too slow, on July 15; of vessels being blown up at Trapani on German orders, on July 15; the 2nd Air Fleet's report of the Sicily area for July 12-13; that an Italian cruiser is to pass through the Straits of Messina on the night of July 15-16; that the GAF sight enemy warships south of Catania, on July 15; and that captured Allied paratroops are to be sent to Reggio, on July 14.