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: military situation reports for September 3; attacks by ground troops with air support in the Ladoga and Neva sectors; the intentions of the 5th Air Corps on September 4; operations in the Kremenchug bridgehead area; the intentions of the 2nd Air Corps on September 4; the need for support for Panzer Group 2 and the 2nd Army to relieve pressure on the bridgehead south east of Chernigov, and for a new battle headquarters to be set up at Smolensk; a message to Airfleet 4 informing them that operational supplies were held up on roads made impassable by mud; the intention of the 2nd Army to continue its attack and cross the River Desna; a report from the 1st Panzer Group of the repulse of a Soviet counter attack against the Dniepropetrovsk bridgehead in the Zabarozhe area; a report that the 255 Division could not regain ground lost in the Kholm area; a report that the reserve training group JG27 had to transfer thirteen aircraft to Krosno on September 3 and 4; on problems caused for the German Air Force (GAF) in Africa by the inadequate discharge and turn-around of tankers, and a shortage of tankers; a message from Adolf Hitler to General Franco regarding the arrival of the Spanish Division in the Soviet Union on September 1; and a report by the Irish minister in Berlin to Dublin on British policy regarding Iran.