
The Missile Defense Agency (MDA) this week changed its plans to develop a counter-hypersonic missile defense system, ending one program and redirecting it into a nearer-term initiative. The MDA is no longer issuing a final Request for Prototype Proposals (RPP) for the Regional Glide Phase Weapons System (RGPWS) and is instead shifting to a newly designed Glide Phase Interceptor (GPI) initiative, according to a Feb. 2 notice. In August, MDA paused its hypersonic missile defense prototype effort until later in…