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U.S. Secretary of Defense Chuck Hagel speaks to the media during a press briefing at the Pentagon August 21, 2014 in Arlington, Virginia. Secretary Hagel spoke about the terror group ISIS and the situation in Iraq.
U.S. Secretary of Defense Chuck Hagel speaks to the media during a press briefing at the Pentagon August 21, 2014 in Arlington, Virginia. Secretary Hagel spoke about the terror group ISIS and the situation in Iraq.

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United States Defense Secretary Chuck Hagel speaks to CNN's Jim Sciutto in an exclusive interview about ISIS.

Hagel: U.S. mission is to destroy ISIS

United States Defense Secretary Chuck Hagel speaks to CNN's Jim Sciutto in an exclusive interview about ISIS.