A scale model of the Royal Thai Navy's Coastal Patrol Boat type T. 991, which was built in honour of King Rama IX's 80th Anniversary, at the Royal Dockyard Museum (fig.), which is located at the shipyard within the compound of the naval base in Thonburi. The Coastal Patrol Boat type T. 991 was officially commissioned on 30 April 2007, in attendance of the King and Queen Sirikit.