much lower altitude was picked up at norad. i imagine after the first balloon outrage that they went back and relocked their censure package, if they're airborne or ground based to try and pick up on future softer, higher, slower, flying objects. obviously they have solved the problem. they found it at night out over the ocean. pretty remarkable. so that's another thing that we are obviously changing the dynamics or intelligence surveillance. >> the timing of this is notable too. they did not wait. there was no waiting for this object to drift over the continental u.s., for example, or to see where it might drift at this point. they took action, it sounds like, they found out about it very quickly. >> that's right. and i will say, another question we should be asking is there any closure of airspace, given the nature of where it was flying, the altitude, and remember, i'm