Alot of our UFO sighting in the 50s-60s was our government fiddling around with German Tech. Notice alot of the happened in our southwestern deserts?
Always a rational answer for everything.
If there was aliens capible of unrealistic speed and stealth, then they would have conquered us by now.
Not tease us for 60 + years. Which happens to be how long we been messing with jet engines.
I found a tinfoil hat website for you. PM me if you want it, be warned they ban you for speaking logic there (or mentioning Tavistock, and other goodies I can give you to troll them). Although they do believe this crap has something to do with Niburu, and the Mayan calandar.
Aliens, you have a better chance proving to me that the US congress has Americas best interest in mind.
Don't tell me this place is going the way of the loonies.