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: a situation report for the Moscow Front on November 8, detailing that icy roads are difficult, an advance is being held up, and the critical supply position is improving; a report of air activity over the Crimea area on November 9, with a supply ship being damaged by a mine; confirmation of the sinking of all ships in a convoy by a British force, on November 10; that French anti-tank guns for German forces in Africa are en route to Piraeus, on November 12, with onward transport to Derna possibly by gliders; that motor transport vehicles for Panzer Group Africa are being bought in Algiers; Naval Headlines, covering the Italian convoy Mistrale being attacked by a British force consisting of the Aurora, Penelope, Lance and Lively, and an Italian admiral commanding the 3rd Cruiser Division reporting that all ships of the convoy were set on fire; and further Naval Headlines, covering the admiral commanding U-boats issuing an estimate of the tonnage sunk in recent attacks, the activities and deployment of U-boats in the Atlantic, and the possibility that Scheer may break through into the Atlantic.