after that of a large area west of los angeles, those replays did not reveal any fast moving unidentified targets. which doesn't completely rule out some kind of secret operation of some kind but it leaves a much wider door open to the idea that this was just a commercial jetliner, martha. martha: this is -- this is what i don't understand, wouldn't we be able to pinpoint which commercial jetliner was with a code line of when this -- with a timeline of when the took plane off? >> good question. there's a lot of air traffic in that area, the faa was consulted. now, according to some experts, the atmospheric conditions and optics can create an optical illusion, monday night's so-called missile launch was compared to an earlier photo showing a jet aircraft and they look very much alike. we can put that comparison up, on the right side of your screen there, the jet con trail -- that's not exactly the one i was expecting, but similar. not quite the same.