>>12037198Poorly executed OSI hoax using shaved, died-green rhesus monkeys
The point was to conflate (real) secret deep state ether-powered flying saucers with (crazy-pants) aliens in the minds of the public. Basically, they turned /pol/ autism into /x/ autism
If you care to read more, there's a whole chapter on this called "Roswell Rhesus Monkey Hoax and Other Such Outrageous Shams" in William Lyne's excellent book, "Pentagon Aliens"
https://libgen.is/book/index.php?md5=5028DCBE2D3AF817B5B48957A23E6613