A long-range Ground-Based Interceptor (GBI) is launched from Vandenberg Air Force Base, Calif. In a flight test of a three-stage booster rocket operating in a two-stage mode in 2021. (Photo: Missile Defense Agency)
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The Missile Defense Agency (MDA) on Sunday conducted the first flight test of a new three-stage booster for the Ground-Based Midcourse Defense (GMD) System’s Ground Based Interceptor (GBI), demonstrating variable stage usage.
The GMD aims to defend against…