October 20, BBC News
A passenger jet bound for Heathrow Airport had a near miss with a UFO, Ministry of Defence files reveal.
The captain of the Alitalia airliner shouted "Look out" to his co-pilot at the sight of a brown missile-shaped object shooting past them overhead.
Civil Aviation Authority and military investigations could not explain the 1991 incident near Lydd in Kent.
The unsolved close encounter features in UFO-related military documents made available by the National Archives.
After ruling out the object flying past the Alitalia jet being a missile, weather balloon or space rocket, the MoD closed the inquiry.
Nineteen files covering sightings between 1986 and 1992 are being made available online.
Almost 200 such files will be made available by the MoD over the next four years.
The current batch also include a US Air Force pilot's account of being ordered to shoot down a UFO that appeared on his radar while he flew over East Anglia.
There is also an MoD request that army and navy helicopters not take photographs of crop circles, because of concerns about undermining the official line that the military did not investigate unexplained phenomena.
And the files also contain a letter from a woman claiming to be from the Sirius system who said her spacecraft - also containing two "Spectrans" with "Mr Spock ears" - crashed in Britain during World War II.
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photo: An Alitalia passenger jet had a close encounter with a UFO in 1991 (AFP)