Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3439
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Atlantic, East Asia, Europe, Mediterranean, Pacific, South Asia
Countries India, Italy, Norway, Philippines, Singapore
Document Type Signals Intelligence
Organisations Government Code and Cypher School, International Red Cross
People Edward Bridges


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 Western Europe: 1st Army reports on the Allied attack, from January 12; Naval Headlines; and from the Portuguese minister in Tokyo, on the Japanese plight, on January 9.


military situation reports, Western Front, German withdrawal, naval intelligence, naval warfare, German navy, shipping losses, German air force, aerial attacks on ships, German U-boats, adverse weather conditions, special operations, sabotage, ports, liberated Europe, Pacific War, predicting enemy intentions, air raids, Japanese-occupied territory, diplomatic intelligence, Japanese government, public statements, invasion of the Philippines

Cookies Notification

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Find out more.