
HUNTSVILLE, Ala. – The two Next Generation Interceptor (NGI) industry teams this week said they expect to reach the Preliminary Design Review (PDR) for the All Up Round before the year is out, as both are also marking progress with specific subsystems. Northrop Grumman [NOC] this week revealed it successfully built the first set of solid rocket motor cases for all three stages of its version of the NGI. The company said these pathfinder motors demonstrate designs, manufacturing processes and…