Hypersonic missile defense program moves toward 2 prototypes
By Brett Tinglet, Published by Space.com, 29 June 2022 The need for speed is real when it comes to missile defense. The Department of Defense's Missile Defense Agency (MDA) has selected Northrop Grumman and Raytheon Missiles and Defense to continue developing prototypes of a Glide Phase Interceptor (GPI), a planned