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    See America's last line of defense against nukes

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See America's last line of defense against nukes

CNN's Kyung Lah gets an exclusive look at the missile installation which could serve as the United States' last-resort line of defense against an incoming intercontinental ballistic missile.

See America's last line of defense against nukes

CNN's Kyung Lah gets an exclusive look at the missile installation which could serve as the United States' last-resort line of defense against an incoming intercontinental ballistic missile.