The Defense Science Board in a new report has recommended the Navy expand its competitive advantage under the sea by adopting a fleet of low-cost, commercially developed undersea systems to experiment with a handful of new missions that could both create new capabilities and significantly challenge potential adversaries. The influential advisory panel, according to an unclassified summary of a new report on next-generation unmanned undersea systems dated October 2016 and published Jan. 9, also calls on the Navy to break...