Northrop Grumman has begun manufacturing a critical component of its Next Generation Interceptor, weaving composite threads to create a newly designed rocket throat nozzle to demonstrate the efficacy of its proposal in a competition against Lockheed Martin to build a new intercontinental ballistic missile killer. Northrop, teamed with Raytheon Technologies for the NGI competition, is building the component -- which plays a key role during liftoff -- at its manufacturing facility in Magna, Utah. Lisa Brown, Northrop Grumman vice president...