National Geographic



Predive Preparations

The team is getting better. Yesterday it took five hours to run the checklist; today things are moving faster.

At 11 a.m., the sub hanger fills with men whose task is to make sure the DEEPSEA CHALLENGER is ready for her first manned dive.

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About Dr. Joe MacInnis

Dr. Joe MacInnis is a physician-scientist, writer, and deep-sea explorer who studies leadership in high-risk environments. He’s led ten research expeditions under the ice of the Arctic Ocean, worked with marine scientists two miles under the Atlantic and Pacific Oceans, and spent time with astronauts who built the International Space Station.

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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