The first two categories of “unsolved” sightings are probably true UFOs and surely have human, terrestrial explanations: They’re as-yet-unidentified advanced military technologies, e.g., drones from Russia, China and Iran, or “sky clutter,” trash and weird stuff that floats around unnoticed and we don’t generally bother monitoring.
The other two categories of “unsolved” cases are the UAPs, that is, phenomena we don’t yet understand — as-yet-unknown or little-understood meteorological ... Read even more