| 21. | The first woman scuba diver and aquanaut, Simone was at Jacques's side during his major underwater accomplishments.
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| 22. | In April 2006, Garan became an aquanaut through his participation in the joint NASA-EVA in four spacewalks.
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| 23. | On the afternoon of October 21, Squyres and his crewmates officially became aquanauts, having spent over 24 hours underwater.
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| 24. | In May 2007, Hern�ndez served as an aquanaut during the underwater laboratory, living and working underwater for eleven days.
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| 25. | The underwater condition has the additional benefit of allowing NASA to " weight " the aquanauts to simulate different gravity environments.
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| 26. | In July 2004, Patrick served as an aquanaut during the NEEMO 13 mission, living underwater for another ten days.
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| 27. | In July 2004, Wheelock served as an aquanaut during the underwater laboratory, living and working underwater for ten days.
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| 28. | In September 2006, Kopra served as an aquanaut during the underwater laboratory, living and working underwater for seven days.
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| 29. | In September 2006, Creamer served as an aquanaut during the underwater laboratory, living and working underwater for seven days.
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| 30. | On the afternoon of October 21, Walker and her crew officially became aquanauts, having spent over 24 hours underwater.
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