Nick Pope once ran the British government’s UFO desk at the Ministry of Defence, and has since written a number of books on UFOs, including Open Skies, Closed Minds and The Uninvited.

1. Rendlesham Forest Incident, December 1980 – UFO landing.

2. The Belgian Wave, March 1990 – UFO tracked on radar; F-16 fighters launched in attempted intercept.

3. The Cosford Incident, March 1993 – Direct overflight of two RAF bases by large triangular UFO.

4. RAF Lakenheath/RAF Bentwaters, August 1956 – Radar/visual case.

5. Manchester Airport, 1995 – Near-miss between UFO and civil aircraft.

6. Captain Zaghetti’s Sighting, 1991 – Near-miss between UFO and civil aircraft.