Researchers Plunge Into Debate Over New Sub

Science  19 Jul 2002:
Vol. 297, Issue 5580, pp. 326-327
DOI: 10.1126/science.297.5580.326

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The aging of its mainstay deep-sea submarine--the 35-year-old Alvin, one of the world's few deep-water piloted submersibles--has U.S. marine scientists talking about a replacement. But how deep should it go, and should humans go along for the ride? Meanwhile, members of Congress, a White House oceans panel, and a National Academy of Sciences group studying ocean exploration are preparing to wade in with their own ideas.