The Drive

In the wake of its latest test of the Ground-based Midcourse Defense (GMD) system, the U.S. Missile Defense Agency has published a video explainer that provides a very useful description of what exactly happened in that complex engagement process, as well as how much of the overarching U.S. missile defense architecture actually works. The test earlier this week also showcased an upgraded version of the Ground-Based Interceptor (GBI) — the lethal component of the GMD system that is intended to physically knock out ballistic missile threats to the U.S. homeland while they are still in space.

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