Nautilus (Verne) from seawater) is the craft's primary power source for propulsion and other services. "Nautilus" is double-hulled, and is further separated into water-tight compartments. Its top speed is . Its displacement is submerged. In Captain Nemo's own words: "Nautilus" uses floodable tanks in order to adjust buoyancy and so control its depth. The pumps that evacuate these tanks of water are so powerful that they produce large jets of water when the vessel emerges rapidly from the surface of the water. This leads many early observers of "Nautilus" to believe that the vessel is some species of whale, or perhaps a
Submarine Voyage went around over the years, saying that a proposed attraction based on the 2001 Disney animated film "" was going to replace Submarine Voyage. Another rumor was that the lagoon was going to be destroyed in a similar fashion to the submarine lagoon of Walt Disney World's . In 2005, the lagoon was drained and construction began on a new attraction: Finding Nemo Submarine Voyage, which opened on June 11, 2007. The successor of this attraction was the Jules Verne themed at Walt Disney World's Magic Kingdom. The attraction was given a Nautilus theme and a narration by Peter Renaday,