The Missile Defense Agency last year conducted a test of the Ground-based Midcourse Defense system, not previously reported, that was designed to assess capabilities to defend against threats to the United States from a North Korean intercontinental ballistic missile. The Pentagon’s top weapons tester disclosed this development in an annual report to Congress and the defense secretary sent to lawmakers last week. The spring 2022 test did not involve a ground-based interceptor. The GMD program is designed to defend the...
