<P> (1) </P> <P> An LNG carrier is a tank ship designed for transporting liquefied natural gas (LNG). As the LNG market grows rapidly, the fleet of LNG carriers continues to experience tremendous growth . </P> <P> The first LNG carrier Methane Pioneer (5,034 DWT) left the Calcasieu River on the Louisiana Gulf coast on 25 January 1959 . Carrying the world's first ocean cargo of LNG, it sailed to the UK where the cargo was delivered . Subsequent expansion of that trade has brought on a large expansion of the fleet to today where giant LNG ships carrying up to 266,000 m (9,400,000 cu ft) are sailing worldwide . </P>

Which type of ships are used for lng transportation