U.S.-Japan GPI Workshare Revealed: Northrop Details 50-50 Split in Hypersonic Interceptor Program

Northrop Grumman has publicly detailed, for the first time, how work is divided between the United States and Japan in the co-development of the Glide Phase Interceptor (GPI), a next-generation missile designed to defeat hypersonic threats. At a media briefing in Tokyo on April 22, the U.S. defense