North Korea just needs a “weather” balloon, some radioactive Cobalt 60, and some TNT or Semtex. USA may or may not detect and shoot down the balloon. If it gets within 500 miles of us, with easterly blowing winds, we would not be able to stop a highly radioactive cloud from blowing over USA. North … Continue reading Bio of Robert Fenton Gary is on www and I do know what I speak about.