The U.S. military is wrestling with how best to evaluate weapon systems focused on the space and cyber domains, despite a new budgetary focus on procuring emerging technologies in both areas, according to the annual report from the Pentagon's chief weapons tester . "Cybersecurity, test and evaluation (T&E) that represent realistic operational conditions, and testing and training for space-based systems remain my greatest challenges," Robert Behler, the director of operational test and evaluation, wrote in the report's introduction. "The DOD...