The Human-Occupied Vehicle (HOV) Alvin is returning to the ocean, now with an autonomous underwater vehicle (AUV) that could enable scientists to explore deep-sea trenches.   The Woods Hole Oceanographic Institution (WHOI) announced that the U.S. Navy’s Director of Submarine Programs (DSP) has certified the human-occupied submersible Alvin to return to service after its overhaul and testing program.   Alvin is owned by… The post WHOI’s Alvin returns to sea with an autonomous vehicle that can explore down to 11,000 meters appeared first on Research & Development World .