Close. They were reportedly alive when it crashed. Supposedly Stalin captured Dr Mengele at the end of WWII, used him to surgically transform mentally handicapped children into gray-skinned, large-headed, large-eyed “beings” and flew them on a prototype disc-like aircraft that was piggy-backed on a long range aircraft in order to show the US he could reach the New Mexico nuclear development sites while also scaring the US population in a similar manner to the War of the Worlds broadcast. This data was obtained from a collection of FOIA requests, interviews with contractors, and interviews with EEG engineers that all worked in and around Area 51. Check out “Area 51: An Uncensored History of America’s Top Secret Military Base” a.co/d/eSI9Jp7

It’s a lot to claim, but it seems to fit together more reliably than aliens from hundreds of thousands of light years away happening to find us and make no real contact.