In this photo provided by National Geographic, the Deepsea Challenger submersible carrying filmmaker and National Geographic Explorer-in-Residence James Cameron is hoisted into the Pacific Ocean on ... more 
In this photo provided by National Geographic, the Deepsea Challenger submersible carrying filmmaker and National Geographic Explorer-in-Residence James Cameron is hoisted into the Pacific Ocean on its way to the "Challenger Deep," the deepest part of the Mariana Trench, Sunday, March 25, 2012. The dive was part of Deepsea Challenge, a joint scientific expedition by Cameron, the National Geographic Society and Rolex to conduct deep-ocean research. (AP Photo/National Geographic, Mark Thiessen) less 
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Associated Press | Photo By National Geographic, Mark Thiessen
Sun, Mar 25, 2012 9:48 PM EDT