The final tranche of UFO files released by The National Archives contain a wide range of UFO-related documents, drawings, letters, and photos and parliamentary questions covering the final two years of the Ministry of Defence's UFO Desk (from late 2007 until November 2009).
Discover the reasons behind the closure of the UFO desk, the handling of the largest number of UFO sighting reports received in 30 years and the disclosure campaign for ‘the truth’, which was sparked by the closure of the UFO Desk.
Start by reading our highlights guide (PDF, 363kb) to help navigate your way through the files.
The National Archives holds other UFO files that have already been released by the Ministry of Defence. You can download these in PDF format for a small fee. The files contain details of numerous UFO sightings.
Access existing UFO files
Dr David Clarke, an expert in UFO history, guides us through the highlights of the newly released UFO files.
Read the transcript (PDF, 140kb)
Dr David Clarke’s book combines official government reports and eye-witness interviews to reveal the incredible inside story of more than a century of UFO sightings.Buy a copy of The UFO Files
Find out more about the background to, and highlights of, the file release in Dr David Clarke's blog post Do you believe in UFOs?.
Download the iPhone/iPad app UFO Files UK, created by Black Plaques in association with The National Archives, and explore the official data by searching UFO reports dating back 25 years.
Start your own UFO research by reading Dr David Clarke's guide to the files (PDF, 144kb). Discover the history of government UFO investigations and find out where the new files fit in.