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 Southern Europe: of the planned withdrawal of the 26th Panzer Division overnight on May 29/30; that the 1st Parachute Division is to withdraw overnight on May 29/30; that the 5th Mountain Division was withdrawn to some 6 miles behind the River Melfa by the evening of May 29; of planned movements for the 44th Division and the 1st Parachute Division, with the 5th Mountain Division to hold the Melfa line, on May 27; of an urgent request for anti-aircraft artillery to defend a key bridge near Subiaco as all German divisions of an unspecified Panzer Corps would have to cross it, on May 28; a summary of German movements and damaged communications lines in Italy as at May 27; that the 16th SS Panzer Grenadier Division, previously a reserve of German High Command and based in Hungary, is now en route to an unspecified destination, probably in Italy; of the results of an Allied air attack on Genoa harbour, on May 28; and on the results of an Allied air attack against Banjaluka airfield in Yugoslavia, on May 28; on Western Europe: on the results of heavy Allied air raids on targets in Belgium and France, on May 24/25; that the Commander in Chief (C-in-C) West protests against a cut in his allocated fuel quota which will seriously affect his summer construction programme and also hit the most important supply lines, on May 27; on the results of an Allied air raid on an airfield at Brandis in Germany, on May 28; and T199/121 was sent to General Ismay under 6639.