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 the Central Russian Front: on anti-tank and anti-aircraft (AA) measures; on the Southern Russian Front: a situation report for October 27; a Russian fronts situation report for October 27; on the Southern Russian Front: the 1st Panzer Army's supply columns are stuck, on October 27; on the Central Front: that there is slow progress because of bad roads; on the Russian fronts: a German situation report for October 27; on the Central Russian Front: an operation report for October 27; a XLI Army Corps situation report for October 27; a 9th Army report for October 27; and a XLI Army Corps report and their intentions, for October 27; on the Southern Russian Front: a 17th Army report for October 27; a 17th Army report for the evening of October 27; and situation reports for October 27; and on the Mediterranean: a German Air Force (GAF) order to a Direction Finding (DF) propaganda broadcasting station.