sensors to distinguish between a war head and other objects, other objects like balloons, kt. are we safe? >> no. and the missile defense program is a mess. and it's a mess for a couple of reasons. one, president obama canceled the land-based missile defense program in the czech republic in poland two years ago, and he said we're going to put our stuff on ships, and that's how we will defend ourselves. it will be a goodwill gesture to the russians, because they will help us stop iran. they didn't give us any help in iran, exactly the opposite. the missile system has a lot of problems operationally and at the same time we see growing nuclear threats. north korea, iran, pakistan. these are countries that either have or are getting nuclear weapons. many are having, will have long-range missiles capable of reaching the united states. americans don't realize we have no protection that is effective against nuclear weapons.