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 Russian Front: that the Germans consider the Soviet High Command holds very close control of its armies, on March 6; on Southern Europe: that according to the 1st Parachute Corps on March 11 an Allied attack is impending; on South-east Europe: that the 2nd Panzer Army ordered the 92nd Grenadier Regiment to be transferred to the Brod area, on March 5; and from the Ministry of Foreign Affairs in Lisbon, regarding Allied pressure on Spain, on March 6.