The Royal Brunei Navy was established on the 14 June 1965, it is the second Unit created after The Royal Brunei Armed Forces. RBN is based in Muara, which is situated 4 km from Muara Town with the majority are malays. Since 1977, The Royal Brunei Navy is equiped with Missile Gun Boats and other Coastal Patrol Crafts. Ships names are prefixed KDB as in Kapal Diraja Brunei.
The main responsibility of the Royal Brunei Navy is to conduct search and rescue and to deter and defend the Brunei waters against attack mounted by sea borne forces. In maximising her role in defending the country from external threats, the Royal Brunei Navy is currently expanding the present base to accomodate the newly purchased War Ship (Off-Shore Patrol Vessel) which are equipped with the latest technology.