James Cameron is the first human to reach the 6.8 mile deep (11km) in Mariana Trench
Movie Director James Cameron beat Richard Branson in the Mariana Trench Dive. James Cameron's submarine needed about 2 and half hours to decent to the deepest spot on earth. The Mariana Trench is 6.8 miles deep.
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Read the full story on The Deepsea Challenge site. The Deepsea challenge is sponsored by National Geographics and James Cameron will later publish his findings of his record breaking dive in the magazine.