The defense phase is expected to be no longer than a month.

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And what - we can't leave out the terminal phase of missile defense, which is things like PAC-3, the Patriot Missile System, and the Terminal High Altitude Area Defense or THAAD, which would shoot down on a threat missile in the final phase of its flight.

NPR: Missile Defense, the U.S. and Europe

And then something that they would call the boost-phase missile defense, which would be ways of shooting down missiles when they're at their sort of most vulnerable phase of flight.

NPR: Missile Defense, the U.S. and Europe

If the Defendants are not successful on their motion to dismiss, there are several affirmative defenses which could potentially be raised in order to offer a solid defense leading up to the discovery phase in the pending litigation.

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Particularly noteworthy in this regard, is the decision to all but cancel the promising Brilliant Pebbles space-based interceptor technology at the very moment that the Israeli government and the Western European Union (among others) are recognizing the indispensibility of the sort of boost-phase defense afforded by such a system.

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If the EPA adopts the proposals that such green groups as the Natural Resources Defense Council are lobbying for, utilities that phase out their coal operations early would generate credits they could sell to other operators to keep their coal plants running longer.

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This is the penalty phase, and so it's being raised by the defense, not as a sort of a legal test, it's being raised as a mitigating factor.

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Deploying a missile defense architecture that can intercept a missile early in flight (during the ascent phase) would render rogue missiles ineffective, thereby undermining the rationale to use them.

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