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Frequently Asked Questions about ABE

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ABE begins descent to sea floor
Once in the water, ABE begins its fall to the sea floor. Thrusters periodically kick on to point ABE toward its target on the bottom, but most of the descent uses gravity, not batteries. The vertical thrusters (visible between the two red pods) are used only at depth to push ABE over ridges and pinnacles. (photo courtesy Dan Fornari, WHOI)