- Statements from police officers in West Yorkshire describing sightings of "bright lights in the night sky"
- Testimony collected from a U.S. Airforce Sabre jet pilot ordered to "shoot down a UFO" flying over eastern England during the height of the Cold War
- A letter from a person dubbed "alien-spotter extraordinaire" who reported regular alien visits since 1982
Officials easily dismissed numerous reports of UFOs tracking the London sky in 1989 as a laser light show at an outdoor Tina Turner rock concert at Wembley Stadium.
But not all "flying saucer" sightings between 1986 and 1992 have been as easily explained, according to primary documents made available to the public for the first time by Britain's National Archives on Monday.
The more than 4,500-page online document is the second batch of testimonies chock-full of shimmering objects, mysterious crop circles and creatures from another dimension collected by British military and released this month. It includes first-hand accounts such as: