observatory
WHOI deep submergence vehicles explore a deep-sea observatory arrayed with a variety of sensors and instruments in this artist’s illustration. Clockwise from top center are ABE (Autonomous Benthic Explorer), Alvin, Sentry, a new generation of autonomous underwater vehicle, and Jason, a robot tethered via fiber-optic cable to a surface ship.(Illustration by E. Paul Oberlander, WHOI Graphic Services)

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