Josef Allen Hynek proposed a seven-tier framework of close encounters with UFOs, spanning sightings to human‑alien hybrids and defining encounters by interaction with a UFO and its occupants, including first kind (sightings within 200 meters)… #aliens #may2026 #ovni #substack #uap #ufo #ufosky #usa https://viorelsecareanu.substack.com/p/understanding-ufo-encounters-hyneks