FBI composite sketch of a 130-195 ft bronze ellipsoid materializing from bright light, disappearing instantaneously (Sept 2023); declassified May 8, 2026 via PURSUE.
Two Eastern Airlines pilots observed a cigar-shaped craft with glowing windows pass their DC-3 at close range, prompting Project Sign's ET conclusion.
Captain Thomas Mantell died pursuing a large metallic UFO over Kentucky, becoming the first pilot death attributed to a UFO chase.
The US military initially announced recovery of a 'flying disc' near Roswell, NM before retracting the statement, creating the most famous UFO controversy in history.
Private pilot Kenneth Arnold's sighting of nine unusual objects near Mount Rainier launched the modern UFO era and coined the term 'flying saucers.'
Over 800 UFO sightings in just two weeks during the summer of 1947 created a nationwide phenomenon that launched government investigations and permanently changed American culture.