Oasis of the Seas is one of the world's largest cruise ships. On its eastern Caribbean itinerary, one of the ports of call is St. Thomas. With a very narrow channel, sailboats anchored in the harbor, a tight turn and just six feet of water below the keel, it's very challenging to maneuver the giant ship into “everyone's favorite port.” In the video below, the master explaining just how it's done every time the giant ship arrives.