U.F.O. skeptics and experts in optics have long said many of the videos and sightings by naval aviators represent optical illusions that have made ordinary objects — weather balloons, commercial drones — appear to move faster than possible.
Military officials have largely come to the same conclusion.
Besides the images of the green triangles, the other recordings released by the Pentagon have not been categorized as surveillance incidents, at least so far. But Pentagon officials do not believe that any of them represent aliens ... Read even more
