The Royal Naval War College was a training establishment for senior naval officers based originally at Greenwich, then Plymouth, then Portsmouth, and then Greenwich again. Branch colleges were also based at Chatham and Plymouth prior to the First World War.
History
The college, which was established in 1900 and known as the War Course College until 1907, catered for flag officers, captains and commanders. Its courses included training in tactical naval war games, strategic naval war games, studying and writing reports on various problems and lectures on various subjects. The college's functions were transferred to the Royal Naval College, Greenwich in 1914.
References
Royal Naval War College Wikipedia(Text) CC BY-SA