Most of you probably already know about the Glocke, but this wasnt the only UFO build by the Nazis. In fact, early UFO sightings-wave go back to the to the end of WW2
en.wikipedia.org
And as you can see the research did continue to at least 1965 when a UFO resembling the Glocke crashed in Kecksburg (Pic related)
In general UFOs are an undeniable fact
This was released from the Chilenian Navy, basically saying "we have no idea what it is. maybe one of you guys can tell us."
youtube.com
cia.gov
Even entire cities saw them
ufocasebook.com
en.wikipedia.org
Some of them even simply deactivated our nukes
telegraph.co.uk
When that UFO in Rosswell then crashed it was probably easier to say those are some aliens than explaining how some Nazi in SS-uniform flies around in an highly advanced aircraft years after they were completely "obliterated".
However nowadays many of the UFO sightings are probably replications of the original Nazi UFOs.
Interestingly the Kecksburg acorn was seen 20 years after the war, the adamski photograph (pic 2) that resembles the Haunebu II of the german UFOs was made in 1952, 7 years after the war. How can this be if the Nazis were utterly destroyed?
They werent, they just went somewhere else