CNN10
Mariana Trench 1,500 miles long - 43 miles wide, and it's 7 1/2 miles deep 36,000ft deep. Scar. largely unexplored only 25 people have been into it. Last unexplored area on Earth. Takes 4 1/2 hours of freefall to get to the trench - 6 ft/sec decent. Coming back up takes 3 1/2 hours
The vessel was made by Trident Submarines
Space Station - 1 atmosphere
Underwater station - 1,100 atmospheres.
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