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 contains a message from C to the Prime Minister (PM); and the following reports on Western Europe: of Hitler's orders for halting an Allied break through to the north east, that all available forces of the 1st Parachute Army and the 25th Army are to be brought into action, and that Army Group B is to attack the break through of the U.S. 9th Army to the north; that Army Group H, holding the front at Arnhem, is to assemble a strong battle group to carry out a thrust into the Allied flank in the direction of Haltern, that to save forces the front east of Arnhem may be withdrawn in the direction of Doetinchem, that every man behind the Dutch front is to be incorporated to raise the fighting strength, and the attack is to be led by General Student; of Kesselring's orders for Army Group H to attack the south flank of the Allies advancing eastwards south of Muenster over the Dortmund-Ems Canal; that the Panzer Training Unit Grossdeutschland from the Oldenburg-Bremen area is to be included in the forces brought up to the Oldenzaal-Rheine-Muenster line; of an Oberkommando der Wehrmacht (OKW) provisional decision about the future conduct of operations, with a final decision to follow; of Kesselring's orders for measures to increase the fighting strength of the troops, and that Army Groups are to take command of all Wehrmacht forces in their areas; of German Air Force (GAF) orders for all flak batteries capable of transfer to be reformed and equipped for ground operations; that Army Group H is short of reserve forces and unable to close the gap between the 2nd Parachute Corps and the 86th Army Corps, on March 27; of Army Group B reporting the 74th Army Corps is without reserves; and that the 15th Army has taken over command of the 89th Corps with the 276th Division and the 19th Flak Brigade; Naval Headlines, covering U-boats being assigned to the route of U.S.-U.K. convoy traffic; Naval Special Operations Unit 60 being ordered to set up a base east of the Weser and to prepare for Weser tasks; that a pack of Seehund midget submarines is to be sent to operate off Dungeness; six U-boats of the Hagen Group being ordered to return to Harstad and Narvik; U-boats being assigned to operational areas off the Kola Inlet; Sea Defence Command for the Northern Adriatic being ordered to dissolve its naval harbour masters and naval watches and to carry out demolitions in Salvore, San Lorenzo, Ouile, Fontane, Orsera, Laurana and Ica, with the personnel there to reinforce the nearest harbours; an Allied landing near Okinawa's northern airfield; a Japanese claim to have suppressed a mutiny by 3,000 men of the Burmese Army; and Japanese ships with important cargoes being held up in Hong Kong; a German propaganda circular directive, from March 26; from the Argentinian Legation in Berne, on the German plan for retreat, on March 29; and from the Japanese minister in Berne, relaying the views of the Vice-President of the Reichsbank on Germany's prospects, the Reichsbank's gold bullion and important documents being transferred to a place of refuge at Weimar.