Royal Boskalis Westminster N.V. (Boskalis) has actually effectively packed the 3,394 traveler cruise liner Carnival Vista on its semi-submersible hefty lift vessel Boka Vanguard and also transferred it to Grand Bahama Shipyard in Freeport, Bahamas for an one-of-a-kind drydocking procedure.The largest "half-submerged" vessel at the moment is the Dutch Boka Vanguard. With dimensions of 275 x 79 meters, it can move loads weighing up to 116,000 tons. This giant was launched in 2012, its cost was $ 240 million.