Just a reminder, if anons see these type of next gen craft they are encouraged to ask the pilot for a sign via consciousness (thought.)
That is one of the litmus tests for whether it is man made or otherwise. See this 7 minute video for more on what the intelligence community knows about this topic https://youtu.be/Lxleuekvn04
additional references:
antigrav craft are declassified as of last year
https://patents.google.com/patent/US10144532B2/en
transdimensional physics and antrigrav is not new but was scrubbed from scientific literature almost a century ago.
http://www.theorionproject.org/documents/Kowsky-Frost.pdf