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 North Africa: that the main concentration of British forces in Tunisia is appreciated by the Axis as in the central sector, with the coastal area being only lightly held, on March 3; an Army Group Africa report for March 4; and that the 1st Italian Army continues to prepare for an attack, probably in the Mareth area.