Message posted by greatguess on January 11, 2018 at 6:07:09 PST:
maybe they are working on an anti-gravity helicopter....
but, would it be called a "helicopter" or something else..?
all this proves is that it would be invisible.
In Reply to: Re: Possible sighting of unknown aircraft posted by griffon_314 on January 11, 2018 at 6:02:20 PST: