and you see an unidentified flying object changing altitude that dramatically, you think you would have done something about it, right? >> yeah. i mean, we only have so much insight into a lot of these things. >> yeah. >> and what has also, you know, confused the americans on this is some pings that came off the rolls-royce engine that was on the plane. that shows that the plane fell 40,000 feet in the span of a minute. when the u.s. looked at that information they said, that doesn't make any sense. that's inconceivinconceivable. but at the same time it's thrown in with the mix with the other information that they're looking at. how do you make heads or tails of any of this. one of the problems that the americans have had is that the malaysians have not shared everything with them and the u.s. government and investigators feel like they're sort of on the outside looking in. hey, we have a lot of expertise here and we, you know, investigatetivelily and air wise, there's just not a lot of communication going on there. >> barbara, before we go, obviously there are still