As a variety of unmanned underwater vehicles are prepped for deployment in the next year, the Navy has implemented a “confidence course” to test-run UUVs -- a course that has held dozens of runs in the past year, according to an official. In 2017, Google unveiled the “city” it constructed to test drive its own autonomous vehicle. To improve UUV reliability, the Navy has tried a similar technique, Submarine Forces Commander Vice Adm. Robert Gaucher said this week. “We've taken...