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 Southwest Europe: of air attacks on ships on the Dalmatian coast, on February 8-9; German Air Force (GAF) Command issues an appreciation of an improved Lightning aircraft, the P-38, on February 8; and on South Europe: the Hermann Goering Division's day report, for February 8, stating that its assault met strong Allied positions.