University Royal Naval Unit URNU they fall under the overall jurisdiction of Captain BRNC (the officer-in-charge of the Britannia Royal Naval College), Dartmouth. Each URNU is commanded by a Lieutenant RN, Lieutenant Commander or RM Captain, and is associated with a P2000 patrol boat of the 1st Patrol Boat Squadron. Each URNU comprises 51 undergraduates who join for the duration of their degree, with the option of taking years out or leaving at any time. Undergraduates join for three years, or in some cases the duration of their course. Members hold the rank of honorary Midshipman in the Royal Naval Reserve. A notable difference
Royal Naval College, Greenwich a Director of Studies; and Professors of Mathematics, Physical Science, Chemistry, Applied Mechanics, and Fortification. It was to take in officers who were already Sub-Lieutenants and to operate as "the university of the Navy". The Director of Studies, a civilian, was in charge of an Academic Board, while the Captain of the College was a naval officer who acted as chief of staff. The Royal Naval War College, which had been established at Portsmouth in November 1900, transferred its activities to the college at Greenwich in 1914. During the First World War the Royal Naval College was requisitioned as a