A PBS NewsHour segment examines the historical context of UFO whistleblower claims and whether humanity might be alone, highlighting former Pentagon official David Grusch's congressional testimony that UFOs are real and that knowledge of non-huma… #aliens #kentucky #ket #ovni #uap #ufo #ufosky #usa https://ket.org/program/pbs-newshour/the-historical-context-of-recent-ufo-whistleblower-claims