The Missile Defense Agency is nearing a decision on how many hypersonic-busting missile designs to pursue, retaining the option to concurrently develop as many as three competing blueprints for a Glide Phase Interceptor or narrow the current contest among Lockheed Martin, Raytheon Technologies and Northrop Grumman. Missile Defense Agency Director Vice Adm. Jon Hill said the source selection for the GPI program is in the final stages and the next phase of the project will not necessarily eliminate any of...
