If it's a provocative action, will the U.S. shoot this missile down?

WHITEHOUSE: Press Briefing

We consider this a provocative action, if it takes place.

WHITEHOUSE: Press Briefing

It may also encourage even more provocative action as a way to delegate power.

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However, if either action is performed in a deliberately provocative way, the results could be tragic.

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Mr Obama said the test was a "highly provocative act", and called for "swift" and "credible" international action in response.

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