Proof that the U.S. "National Security" state has deployed silent, invisible antigravity weapons platforms in the United States.
References:
Academickids.com https://academickids.com/encyclopedia/index.php/Charles_Hapgood
Bookyards.com https://www.bookyards.com/en/author/page/4766/Hapgood-Charles-H.
Cia.gov https://www.cia.gov/readingroom/docs/CIA-RDP79B00752A000300070001-8.pdf
Crystalinks.com https://www.crystalinks.com/crustal_displacement.html
Davidson, 2021 The Next End of the World | C.I.A. Classified
https://www.youtube.com/watch?v=wvjJqIXYT1w
Droneteam.com https://web.archive.org/web/20230128052729/http://droneteam.com/
Facebook.com https://www.facebook.com/DragonflyDronesCARET
Obamawhitehouse.archives.gov https://obamawhitehouse.archives.gov/the-press-office/2016/10/13/executive-order-coordinating-efforts-prepare-nation-space-weather-events
Projectmontgolfier.info https://web.archive.org/web/20121106094435/http://projetmontgolfier.info/PHOTOGRAPHS.html
Project Winterhaven https://starburstfound.org/aerospace/projectwinterhaven.pdf
Putney, 2016. Infraworld
http://www.human-resonance.org/Infraworld.pdf
Putney, 2009. Veil of Invisibility http://www.human-resonance.org/Veil_of_Invisibility.pdf
Starburstfound.org https://starburstfound.org/electrograviticsblog/?p=49
Truthfall.com http://truthfall.com/
Ufocasebook.com https://web.archive.org/web/20170417145138/http:/www.ufocasebook.com:80/2008/michigancircularobject.html
Wikipedia.org https://en.wikipedia.org/wiki/Thomas_Townsend_Brown