FBI agents described a silent black triangular UAP hovering before accelerating at fighter-jet speeds in newly released Department of War documents.
https://www.foxnews.com/us/pentagon-ufo-files-detail-fbi-agents-sighting-silent-triangular-object-no-visible-engines
https://www.foxnews.com/us/pentagon-ufo-files-detail-fbi-agents-sighting-silent-triangular-object-no-visible-engines