Room 40, also known as 40 O.B. (old building; officially part of NID25), was the cryptanalysis section of the British Admiralty during the First World War.

Jan 16, 2017 · German naval and diplomatic communications were decoded by the Admiralty in Room 40, the centre of Naval Intelligence codebreaking in the First World War. The War Office …

Room 40 was a highly secretive British intelligence organization within the directorate of intelligence of the Admiralty. Its primary task was to intercept and decrypt German wireless …

Sep 17, 2018 · The ability of Room 40 to display the location of a significant number of German U-boats and Allied ships on a number of large maps located within the Admiralty’s War Room, …

persuade the British authorities to make a limited release of Room 40 records, but he is himself writing a book which I believe will be the definitive account of the tragedy.

Hidden away in an undisclosed location, Room 40, is where the code breakers reside—spending their days trying to uncover the meaning behind secret messages. Features 16 unique and …

Jun 16, 2014 · Room 40 was the Admiralty's secret intelligence-gathering and -processing department that provided vital intelligence to the British military commands and their allies …

May 19, 2014 · Room 40's success in acquiring intercept intelligence may not initially have been matched by successful use of the intelligence by the Admiralty; but it did reinforce the ability of …

The cryptology department housed in Room 40 was only a small branch of Britain's large intelligence system. However, after remarkable successes achieved by the team, Room 40 …

Apr 28, 2024 · Hidden away in an undisclosed location, Room 40, is where the code breakers reside—spending their days trying to uncover the meaning behind secret messages.Features …