The Regal Princess crew rescues four people from a sinking rowboat near Mexico's Yucatan Peninsula, showing how cruise ships serve as lifelines at sea. Disney Adventure is officially christened in Singapore as the world's largest cruise ship at 208,000 gross tons, with Robert Downey Jr. as godparent. And Seabourn Encore announces its Alaska debut with an expedition team bringing Ventures by Seabourn kayaking and Zodiac excursions to the Inside Passage.