The truth is out there: National Archives lifts lid on UFO files | Science | The Guardian
Inevitably, the Ministry of Defence papers, released to the public for the first time, will be known as Britain’s X-Files. Over the next three or four years, 160 files will be handed over to the National Archives. Covering 1978 to 1987, the first group of eight files, one of which is more than 450 pages long, is available via its website today.

Neat stuff to use in your conspiracy games.