There is no tangible evidence in existence. It there were, there would by this time been leaked reports.
The debate is Americentric as if the only place aliens exist is in the USA.
The only real evidence is some video that depicts nothing known. There is apparently a considerable collection of pilot testimony that can’t be explained
They tabs have been explained, glitches int he avionics and detection systems and locking onto other planes by mistake.
It’s not sexy, but’s what it is.
There’s going to be ‘unexpected’ results with IR and RADAR. Visual too.
The leap the people to think it’s aliens, or this guy and his wife were seeing aliens is actually bigger than the idea that there ARE aliens among us.
These people are frauds or idiots!