Trump doesn't believe in aliens: President says he's NOT convinced UFOs are real - but vows military will remain alert for signs of extraterrestrials

• Trump shared his opinions on UFOs in an interview with ABC airing on Sunday
• Said he's had a 'brief' meeting on the subject but isn't convinced they are real
• Acknowledges Navy pilots have made unusual sightings in recent years
• Navy last month updated its guidelines for pilots to report UFO sightings
• Trump promises eager George Stephanopoulos he'll be 'the first to know'

El gobierno confirma que tiene Ovnis estrellados