Worse yet, evidence continues to accumulate that both North Korea and Iran are interested in a nuclear weapons application that poses a particular and extraordinary danger to the United States: a ballistic missile-delivered warhead that would cause an electro-magnetic pulse (EMP) capable of inflicting what a blue-ribbon commission recently called "catastrophic" damage to the electric grid and electronic systems across the country.

CENTERFORSECURITYPOLICY: Broken treaty

Their job has been to examine in detail a phenomenon known as electro-magnetic pulse (EMP) that could be used by our enemies like Iran to effect such devastation.

CENTERFORSECURITYPOLICY: EMP and you

It is reckless at a time when countries like North Korea and Iran are acquiring missiles capable of delivering devastating electro-magnetic pulse (EMP) or other nuclear attacks against this country.

CENTERFORSECURITYPOLICY: Get real on nuclear deterrence