Changi Naval Base (CNB) is the latest naval facility of the Republic of Singapore Navy (RSN) and was built to replace Brani Naval Base. Located about 1.5 kilometres east of Changi Air Base (East) and 3.5 kilometres east of Singapore Changi Airport, the base was built on 1.28 km² (0.50 sq mi) of reclaimed land, it was officially opened on 21 May 2004 by Goh Chok Tong, the second prime minister of Singapore.