Next Generation Interceptor (NGI)

The Ground-Based Interceptor (GBI) is the anti-ballistic missile component of the U.S's Ground-Based Midcourse Defense (GMD) system. The GMD is the first layer in the U.S. homeland missile defense architecture which defends the U.S. against long-range ballistic missile threats using 44 Ground-Based Interceptors (GBIs) (see GMD record).

The Next Generation Interceptor (NGI) is the upgraded kill vehicle for ground-based interceptors. The NGI will be the first, all-new interceptor...