Built as the world's first deep-ocean submersible, Alvin has made more than 4,200 dives and can reach 63 percent of the global ocean floor (reaching depths of 14,764 feet/4,500 meters). Credit: Mark Spear, Woods Hole Oceanographic Institution
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Built as the world's first deep-ocean submersible, Alvin has made more than 4,200 dives and can reach 63 percent of the global ocean floor (reaching depths of 14,764 feet/4,500 meters). Credit: Mark Spear, Woods Hole Oceanographic Institution |
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