Computers that are essential for tracking and responding to airborne threats on the Army's new short-range air defense system repeatedly malfunctioned during a December 2020 operational assessment, according to the Pentagon's top weapons tester. “System aborts often occurred in critical moments, requiring reboots of all air defense mission-critical components,” the director of operational test and evaluation’s annual report for fiscal year 2021 states. “While the system demonstrated a high operational availability during the operational assessment, it did not demonstrate adequate...