Newport provided a demonstration on Sept. Newport, R.I. vessels and other high value assets. divers assisted with diver propulsion vehicles. James Pollock, Director of Homeland Defense Programs, NUWC Newport. acoustic energy out into the water. of all the surfaces that are out there. pressure and forces divers to the surface. "It gives the diver a good thump," said Pollock. by expeditionary forces. system's ergonomics. "It gives us more tools for the toolbox," said Cmdr. commanding officer, MIUW Unit 202. working on the system for more than a year, Pollock said. could be used in the fleet within the next two years.