1973 was a year filled with news of UFO sightings, culminating in abductions and extraordinary sightings. The number of UFO reports was unprecedented, among them are many of the most documented cases of all time. Go inside the Pascagoula Incident, the Charlie Hickson case, the Iran Pilot sighting, the Coyne case, the Jeffery Greenhaw case, and many more, the strangest cases in UFO history.