CNN The Lead With Jake Tapper August 30, 2019 20:59:00
Aircraft testing. that is it. this astronomer agrees. >> clearly there are aliens out there. i think that is a pretty strong args -- argument but we don't have the proof of that but i don't think it is stuffed up in the desert of nevada. >> reporter: 20,000 people will show up here in the desert and some hoping to find out if there is really anything in there. all dreaming there really is something out there. this place is hot, dry, remote and nearest gas station 50 miles that way and the nearest hospital 100 miles that way and the sheriffs will bring in offices across nevada hoping to revent ...