Cameron hits Challenger Deep , part of the Mariana Trench , a spokeswoman says . Outfitted with special cameras and robotic arms , Deepsea Challenger is able to dive vertically at speeds of 500 to 700 feet per minute and can withstand immense pressure -- up to 16,000 pounds per square inch . He 's the first person to dive solo to that depth , the deepest in any of the world 's oceans . Cameron is the star of big films such as ` ` ' '' and ` ` Avatar ''
Cameron hits Challenger Deep , part of the Mariana Trench , a spokeswoman says . He 's the first person to dive solo to that depth , the deepest in any of the world 's oceans . Cameron is the star of big films such as ` ` ' '' and ` ` Avatar ''