Defense News:

Intercepting missiles early — in their boost phase — is one of the oldest aspirations of the U.S. missile defense enterprise.

By striking missiles before they can release decoys and multiple warheads, a defender can expend fewer interceptors against an incoming missile attack.

Despite these obvious benefits and several past efforts, such a system has yet to mature past research and development. While some older analyses concluded boost-phase intercept is unworkable, new technologies may be making the approach increasingly viable.

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