The Defense Post

The US Missile Defense Agency (MDA) selected defense giant Northrop Grumman to continue developing the Glide Phase Interceptor (GPI) to detect, track, and take out hypersonic threats in their glide phase.

Lockheed Martin, Raytheon, and Northrop were originally chosen to work on GPI design concepts, but Lockheed was eliminated in June 2022 followed by Raytheon in September 2024 after a competitive selection process. 

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