>>1836649 There are any number of UFOs, meaning Unidentified Flying Objects, not Unidentified Space Alien Flying Objects. The Nazis had flying discs in the 1940s, in the Antarctic,70+ years ago. All the stuff seen in the atmosphere is from here, various places, various models. And if there are little men like in your image, those are from here too. You do the research, then get over it.