"You'd have an aircraft flying along, doing around 500 knots and a UFO comes alongside and does some barrel rolls around the aircraft and then flies off at three times the speed of one of the fastest jets we have in the Air Force. So, obviously, it has a technology far in advance of anything we have.
"I would be told this unofficially. People tell you a lot of things that they don't put in writing or sign their name to. There was always this part of UFOs that, if you got too interested, it could mess up your career. And this is true today even with commercial pilots. I've also heard from people serving in Afghanistan saying they've seen UFOs, and the Iranian news carries UFO reports pretty regularly."