Sewell's Point
Naval Station Norfolk currently occupies Sewells Point. The base is approximately and is the largest naval base in the world.
Singapore Naval Base
Originally announced in 1923, the construction of the base proceeded slowly at Sembawang until the Japanese invasion of Manchuria in 1931. It was completed in 1938, at a staggering cost of £60 million – equivalent to £2½ billion in 2006. The base covered and had what was then the largest dry dock in the world, the third-largest floating dock, and enough fuel tanks to support the entire British Navy for six months.