Billionaire adventurer Richard Branson, center, walks past his latest business venture, Virgin Oceanic Expeditions, a deep sea submarine seen at rear aboard a catamaran, in which he and others plan to... more 
Billionaire adventurer Richard Branson, center, walks past his latest business venture, Virgin Oceanic Expeditions, a deep sea submarine seen at rear aboard a catamaran, in which he and others plan to take solo piloted expeditions to the deepest point in each of the world's five oceans, in Newport Beach, Calif., Tuesday, April 5, 2011. Branson unveiled the first sub, which will carry one pilot, is almost 18 feet long and capable of reaching depths of about 37,000 feet. less 
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Associated Press | Photo By Reed Saxon
Tue, Apr 5, 2011 4:36 PM EDT