The model-based tests the Army is running on its replacement for the Bradley Fighting Vehicle, the XM30, have been so insightful they've shown just how much knowledge the service lacks without them, a senior official said during a web event Wednesday. It’s “a little bit frightening,” said Maj. Gen. Glenn Dean, program executive officer for ground combat systems, during an interview with Defense One at a Nov. 6 web event . “Because we’ve learned we know a lot more...