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 France: a situation report from the 3rd Flak Corps for June 29, noting Gavrus is in Allied hands; that the 2nd SS Panzer Corps moved up across the line from Bougy-Brettevillette; on the ground situation in Normandy, on June 29, stating that the front line runs from le Bourg to Bretteville, and that German troops moved up from the Grainville area to the north east; and that the 9th SS Panzer Division was engaged in an attack, on June 29, and requested fighter protection; Naval Headlines, covering the Japanese submarine I 52 on passage to western France being routed north of the Azores; that an Allied force landed on Saipan, on June 15, and is now holding one third of the island with a strength of about two divisions, with the Japanese garrison being driven northwards; that Japanese Naval forces attacked a powerful Allied force about 400 miles west of Saipan; that the 23rd and 28th Air Flotillas were ordered to complete the transfer of aircraft to the Carolinas; and that the Japanese deduced from an increase in wireless traffic that an Allied force had sailed from the Ceylon area on about June 26; from the Spanish ambassador in Washington, recording a visit of the Polish Prime Minister to the United States, and making an inference of an imminent meeting between Roosevelt and Churchill, on June 24; and from the Spanish ambassador in London, giving his impressions of the flying bomb attacks on London, on June 27; and his conclusions drawn from the fall of Cherbourg, on June 30.