for two hours. they had to use a ladder truck to reach the guy behind the wheel. no word how the semi got there. but the driver said to be okay. >> amazing. check it out, americans have always had an obsession with ufos. now one company is building flying saucers and putting them in the skies. in the newsroom to explain. >> this is a company in florida that has come up with a cool invention. it's all inspired from that national sensation from the mid 20th century. >> traffic south to the north. we were traveling west. >> two american pilots reported seeing an unidentified flying object over tennessee. >> i was amazed to first see it. >> the incident fueled an american obsession with darting disks over the u.s. >> we do want the public to know