'Weird and unexplainable': America's top general on UFOs, the Pentagon's search for answers

Some UFO sightings by military personnel are "difficult to explain," according to Joint Chiefs of Staff Chairman Gen. Mark A. Milley, but the nation's top general insists he has seen no evidence to back up recent public allegations that the Pentagon has recovered extraterrestrial beings or has engaged in a decades-long cover-up to hide the truth from the American public.
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