Beaufort Sea references the Beaufort Sea in his popular Canadian Folk Song Northwest Passage (song). Beaufort Sea The Beaufort Sea () is a marginal sea of the Arctic Ocean, located north of the Northwest Territories, the Yukon, and Alaska, and west of Canada's Arctic islands. The sea is named after Sir Francis Beaufort, a hydrographer. The Mackenzie River, the longest in Canada, empties into the Canadian part of the Beaufort Sea west of Tuktoyaktuk, which is one of the few permanent settlements on the sea shores. The sea, characterized by severe climate, is frozen over most of the year. Historically, only a
MS Liberty of the Seas include character meet and greets, character parades, table-side visits from characters during meals, DreamWorks movies on stateroom televisions, and 3D DreamWorks movies on board. Features of the DreamWorks Experience specific to "Liberty of the Seas" are character meals, DreamWorks characters parade, photo opportunities with the characters, 3D movie theater, first-run DreamWorks films on board, special DreamWorks programming available on stateroom televisions, Adventure Ocean activities with characters. The DreamWorks Experience was first introduced on the "Oasis"-class ship, , on December 12, 2010, and later on the "Oasis"-class ship on February 26, 2011 and on the "Freedom"-class ship, "Freedom of the Seas"