Key Point: Defending the homeland against existential threats would necessitate building a comprehensive national missile-defense system.
This past year, the United States has witnessed a greatly increased threat from North Korea. U.S. intelligence has now confirmed that North Korea not only possesses up to sixty nuclear warheads, but it has developed the miniaturization technology required to mount them atop a number of different types of intercontinental ballistic missiles (ICBMs), which it has tested over the past year.
Original Article: EMP Weapons: How to Beat the U.S. Military in a War? | The National Interest