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: SHARK, covering September 1-24; on South Europe: a report from the German 1st Parachute Division, on September 26; of the withdrawal of the 29th Panzer Grenadier Division, on September 26; of a move of the Hermann Goering Division's battle HQ, on September 26; that the 14th Panzer Corps retakes the main defence line, on September 26; a 14th Panzer Corps report, for the evening of September 26; of the 29th Panzer Division withdrawing on the night of September 26-27; of the 26th Panzer Division expecting an enemy attack on the whole front, on September 26; activity reports from the Salerno front, for September 25; the 76th Panzer Corps' reports for September 25, noting that an enemy attack is expected; the 26th Panzer Division's reports for September 25; the Hermann Goering Division's reports for September 25, stating that an enemy attack is expected; that a German Air Force (GAF) battle unit is to support the SS Corps in cleaning up the Istria area, on September 26-28; that the GAF lose 15 transports in the Italian area on September 23-24; that the GAF evacuate Ghisonaccia, on Corsica, on September 26; that the 2nd GAF Air Fleet is to prepare an air transport unit for a transfer to northern Europe, on September 26; that the Germans destroy and evacuate Manfredonia harbour, on September 25; that the 76th Corps withdraws the 1st Parachute Division to a new defensive line, on September 26; that the GAF in Italy is short of aviation fuel, on September 26; and of heavy damage caused to the harbour in an Allied raid on Leghorn on September 24; on Germany: a GAF report on Allied raids, on September 23; and an intelligence report on the Allied armies in the west, on September 24; on the Southern Russian Front: an air reconnaissance report of Soviet troops crossing the Dnieper, on September 25; and on North-west Europe: of an improvement of net protection against submarines following the attack on the Tirpitz.