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A UFO is an object or light seen in the sky or on land, whose appearance, trajectory, motions, lights and colors do not have an obvious conventional or natural explanation, and which cannot be explained, not only by the original witness, but by scientists or technical experts who try to make a common sense identification after examining the evidence.Center For UFO Studies
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...It is my considered opinion, as a scientist who has devoted many years to its study, that the UFO phenomenon is real and not the creation of disturbed minds, and that it has both grave and important implications for science and for the political and social well-being of the peoples of this Earth.Dr. J Allen Hynek
Center For UFO Studies
National Archives
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.
- DEFE 24/2448/1 (23,489 kb)
- DEFE 24/2449/1 (28,799 kb)
- DEFE 24/2450/1 (14,842 kb)
- DEFE 24/2451/1 (19,256 kb)
- DEFE 24/2452/1 (11,997 kb)
- DEFE 24/2453/1 (1,477 kb)
- DEFE 24/2454/1 (29,481 kb)
- DEFE 24/2455/1 (21,193 kb)
- DEFE 24/2456/1 (24,937 kb)
- DEFE 24/2457/1 (8,207 kb)
- DEFE 24/2458/1 (5,408 kb)
- DEFE 24/2459/1 (20,540 kb)
- DEFE 24/2460/1 (22,154 kb)
- DEFE 24/2461/1 (12,592 kb)
- DEFE 24/2462/1 (20,856 kb)
- DEFE 24/2463/1 (18,754 kb)
- DEFE 24/2464/1 (25,086 kb)
- DEFE 24/2465/1 (22,913 kb)
- DEFE 24/2623/1 (9,848 kb)
- DEFE 24/2624/1 (19,324 kb)
- DEFE 24/2625/1 (22,758 kb)
- DEFE 24/2626/1 (21,242 kb)
- DEFE 24/2627/1 (8,011 kb)
- DEFE 24/2628/1 (9,617 kb)
- DEFE 24/2629/1 (21,153 kb)
Previous file releases
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.
About the Author

Written by UFOETI
UFO ETI Files is a developing online exchange for reports, documentation, evidence, history, hypothesis and discussion of UFO phenomena and ETI contact. We bring useful things together on this subject in an open-minded, concise and easy to navigate platform.