12 Unexplained UFO Sightings in American History.

1. The 1973 Pascagoula Abduction
2. The 1964 Socorro #UFO Landing
3. The 1997 Phoenix Lights
4. The 1967 Shag Harbor Incident
5. The 1952 Washington DC UFO Incident
6. The 1955 Kelly–Hopkinsville Encounter
#UFO