What went wrong in Hawaii

Human error is blamed for a false alarm of a missile heading for Hawaii, but the scare left Americans wondering how the missile detection and emergency messaging systems are supposed to work -- and what went wrong.

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Human error is blamed for a false alarm of a missile heading for Hawaii, but the scare left Americans wondering how the missile detection and emergency messaging systems are supposed to work -- and what went wrong.

http://ift.tt/fJo911 What went wrong in Hawaii