maybe a third button, if you will, to send a cancellation notice. 38 minutes is a long time. as we can all imagine, it created a lot of chaos in hawaii. u.s. authorities we are told were alerted immediately to this, including the president. what would have been the order of events? the u.s. would obviously have knowledge before an alert would go out in hawaii. >> we had a missile launched -- first of all, any missile launched in the world, the united states is aware of it. we are the only country in the world that has the number of satellites and sensors to detect any missile launch in the world. certainly we have a special focus on north korea. with the united states military does, you have a launch and the second thing they are doing is they know they have it and they are tracking it to determine where that is going. does that track lead to one of