Naval Intelligence Division (United Kingdom) replaced by Defence Intelligence
The Naval Intelligence Division (NID) was created as a component part of the Admiralty War Staff in 1912.  It was the intelligence arm of the British Admiralty before the establishment of a unified Defence Intelligence Staff in 1964.  It dealt with matters concerning British naval plans, with the collection of naval intelligence.  It was also known as "Room 39", after its room number at the Admiralty.
substituted by superseded by succeeded by followed by replaced with