 The newly developed hybrid vehicle Nereus is launched from the research vessel Kilo Moana during a test cruise in 2007 off Hawaii. On May 31, 2009, Nereus dove to the Challenger Deep in the Mariana Trench. The dive makes Nereus the world’s deepest-diving vehicle and the first vehicle to explore the Mariana Trench since 1998.
(Photo by Matt Heintz, Woods Hole Oceanographic Institution)[back]
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