National Geographic



A Critical Step

Today, Jim spent six hours at 12,000 feet (3,658 meters). Guided by his intuition and headings called down from the communications team on the ship, he travelled three miles (five kilometers) over the seafloor and made separate rendezvous with the two landers, Mike and Andrew.

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Built for the Sea

Yesterday we got a look at the first wristwatch that keeps time at over 13,000 feet (4,000 meters).

“It’s a lot like our new sub,” said operations manager Dave Wotherspoon with a laugh. “It’s got a viewport, a penetrator plate, and a pressure-resistant ‘sphere’ to protect its ‘instruments.’”

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Science Partners

  • Additional major support provided by The Alfred P. Sloan Foundation
  • NASA Jet Propulsion Laboratory
  • Scripps Institution of Oceanography, UC San Diego
  • University of Hawaii at Manoa
  • University of Guam