The Pentagon's top weapons tester found that the Army's Joint Tactical Radio System's vehicular and handheld radios both struggled with cybersecurity problems during recent tests, though the service insists it is already in the process of fixing these vulnerabilities. J. Michael Gilmore, the Defense Department's director of operational test and evaluation, wrote in his annual report to Congress that the Mid-Tier Networking Vehicular Radio (MNVR) "has cybersecurity vulnerabilities that could degrade the unit's ability to accomplish its missions." The handheld...