Live missile testing on the test ship used for the Navy's newest destroyer class highlighted limitations that could restrict operational effectiveness, the Pentagon's chief weapons tester said in his annual report. The report, released on Thursday , said the Navy executed three missile events in fiscal year 2021 using the Self Defense Test Ship to evaluate Zumwalt’s (DDG-1000) self-defense and validate the ship’s combat system modeling and simulation test bed. “The DDG-1000 live missile events using SDTS highlighted performance limitations...