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
Structure of the Royal Navy in 1989 affiliated with universities and in 2018 were under the jurisdiction of the Commodore, Britannia Royal Naval College. 14 URNUs had been founded in 1967 and the late 1980s each URNU received one Archer class patrol vessel as dedicated training vessel. However, as four of the 14 Archer vessels went to the Royal Naval Auxiliary Service it is unclear how many URNUs were still active in 1989. The Flag Officer Reserves was a Rear Admiral based in Whitehall, who was responsible for recruitment and training of the Royal Naval Reserve. Each Royal Naval Reserve Division had one River-class minesweeper from the