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: intelligence on the Spanish Blue Division positioned between Minsk and Smolensk 200 km behind the front; a report that the 1st Air Fleet's submarine-tender Mosel was sunk in the Baltic and White Seas on September 27; a German submarine chaser was torpedoed north of Hammerfest on September 27; paratroops are being sent to the Leningrad Front; of heavy fighting in the Perekop Isthmus with the 11th Army gaining ground, and the 1st Panzer Group capturing Novo-Moskovsk north of Dniepropetrovsk on September 28; of a Soviet counter attack stopping the German advance in front of Armyansk, with the Soviet 2nd Division putting the left flank of the Ahorn Division to flight, leaving Romanian units in a state of panic on September 27; of the indefinite postponement of the Italian convoy Caterina, and the towing of the ship Circe from Tripoli on September 27; a report that the Italian fleet is at sea in the Mediterranean north of Bizerta; of French aircraft reporting a troop convoy in the western Mediterranean heading eastward on September 27; of successes claimed for Italian torpedo bombers against a British naval formation on September 27; of the sighting of a British fleet in the western Mediterranean on September 26 and September 27; of the earmarking of two Italian torpedo boats for Operation B for the morning of September 29; of an order that Italian minesweepers be armed against air attacks on September 27; and a report that the SS Tembien was hit by three bombs but was still able to remain with a convoy on September 23.