Documented sightings involving pilot witnesses.
Multiple UFOs observed and filmed over Fresno across several days, with two pilots reporting objects to air traffic control and police helicopter dispatched to investigate.
Navy pilot Ryan Graves testified to Congress about daily UAP encounters off the East Coast, including a cube-in-sphere object, and founded Americans for Safe Aerospace.
A Mexican Air Force surveillance plane recorded 11 objects on FLIR and radar that were invisible to the naked eye - and Defense Minister Gen. Vega García released the footage on Mexican TV in May 2004, the first state-sanctioned military UAP video release in the Americas.
A commercial airliner was paced by a luminous UFO for 15 minutes while the entire city of Bariloche suffered a simultaneous blackout and airport instruments failed, with the Argentine government fully declassifying the investigation.
A JAL 747 captain encountered a walnut-shaped object 'twice the size of an aircraft carrier' over Alaska, tracked on radar; FAA evidence was confiscated by CIA.
A Spanish airliner with 109 passengers made an emergency landing at Valencia after being shadowed by two bright objects; the Spanish Air Force scrambled a Mirage F1 that could not catch them - and the MoD's 1992 declassified file confirms the radar tracks.
Pilot Frederick Valentich vanished over Bass Strait after radioing about an unknown craft hovering above him; no trace was ever found.
During NATO's first major maritime exercise, US, UK, Danish, and other allied crews logged multiple radar+visual UFO sightings across the North Sea - one of the earliest multinational military UAP clusters.
Just ten days after Kenneth Arnold's sighting, airline pilots on United Flight 105 observed multiple disc-shaped objects over Idaho, marking the first professional pilot UFO report of the modern era.
Private pilot Kenneth Arnold's sighting of nine unusual objects near Mount Rainier launched the modern UFO era and coined the term 'flying saucers.'