National missile defense "...a generic term is a type of missile defense: a military strategy and associated systems to shield an entire country against incoming Intercontinental Ballistic Missiles (ICBMs). The missiles could be intercepted by other missiles, or possibly by lasers. They could be intercepted near the launch point (boost phase), during flight through space (mid-course phase), or during atmospheric descent (terminal phase)...."
Reference: en.wikipedia.org
Tag Under: Define: Missile Defense
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