see also: https://bigbang-entanglement.blogspot.com/2021/05/alcubierres-mist-cloud-around-ufo-seems.html
Even Magnetic UFOs seem possible: see
"Different Levitation Systems Observed in Big Basin UFOs, EMEC and Anti Maxwell Effect and Free Energy.
see: US Pentagon To Produce UFO Answers Next Month may 2021
see: https://earthsky.org/.../us-pentagon-ufo-report-due-june.../
UFO threat to national security?
It’s possible that the reported UAPs are some kind of advanced aircraft developed by an adversary nation such as Russia or China. In that case, they really are a threat to national security. However, experts have also suggested that the sightings might arise from issues with the Navy jets’ instruments (although pilots report seeing the UAPs with the unaided eye as well).
Barack Obama 2020, just said something very interesting about UFOs.
https://abc7.com/barack-obama-ufos-ufo-videos.../10663457/
Here's Barack Obama:
"What is true, and I'm actually being serious here, is that there are, there's footage and records of objects in the skies, that we don't know exactly what they are. We can't explain how they moved, their trajectory. They did not have an easily explainable pattern. And so, you know, I think that people still take seriously trying to investigate and figure out what that is."
Obama on UFO videos 2020: : 'We don't know exactly what they are'
The Navy has for years confirmed the legitimacy of videos from jet fighters that tracked unidentified objects.
It splashed," military personnel say on the video.
The Alcubierre propulsion system by local polarized space. ( Q-FFF Theory.)