{"type":"documents","slug":"2000-uk-ministry-of-defence-project-condign-report","title":"Project Condign Report","url":"https://disclosdex.com/documents/2000-uk-ministry-of-defence-project-condign-report","description":"British Defence Intelligence study assesses UAP reports, proposes a buoyant-plasma hypothesis, and considers defence implications and pilot safety.","date":"2000-12-01T00:00:00.000Z","tags":["Report"],"updated":"2026-08-21T00:00:00.000Z","disclosureRating":8,"connectionCount":0,"content":{"markdown":"The Defence Intelligence Staff report titled _Unidentified Aerial Phenomena in the UK Air Defence Region_ is dated December 2000.[^1] The Ministry of Defence later released the report in response to a Freedom of Information request.[^2]\n\n## The Buoyant-Plasma Hypothesis\n\nThe report's executive summary attributes many UAP reports to meteorological, astronomical, and other familiar causes.[^1] For a remaining set of observations, it proposes naturally occurring buoyant charged bodies in the atmosphere as a possible explanation.[^1]\n\nThe proposed model was used to explain reported lights, rapid apparent motion, and abrupt directional changes.[^1] The report presents the model as an assessment drawn from available reports rather than direct physical measurement of a UAP.[^1]\n\n## Radar and Defence Implications\n\nThe executive summary states that atmospheric plasmas could produce radar returns and be mistaken for solid targets.[^1] It treats possible military applications as a subject for further research.[^1]\n\n## Pilot Safety and Conclusions\n\nThe report concludes that the available UAP information had no significant Defence Intelligence value and did not indicate a threat to the United Kingdom.[^1] Its recommendations advise aircrew who encounter an unusual phenomenon against attempting to outmaneuver it, apart from placing it behind the aircraft when possible.[^1]\n\n## References\n\n[^1]: [Unidentified Aerial Phenomena in the UK Air Defence Region: Executive Summary](https://webarchive.nationalarchives.gov.uk/ukgwa/20121109132245mp_/http://www.mod.uk/NR/rdonlyres/7D2B11E0-EA9F-45EA-8883-A3C00546E752/0/uap_exec_summary_dec00.pdf), Ministry of Defence, December 2000.\n\n[^2]: [Ministry of Defence Publication Scheme: Guide to Information](https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/16849/mod_ps_guide_to_information_nov09.pdf), Ministry of Defence, November 2009.","readingTime":"2 min read"},"relatedRecords":[],"citation":{"canonicalUrl":"https://disclosdex.com/documents/2000-uk-ministry-of-defence-project-condign-report","title":"Project Condign Report","publisher":"Disclosdex","retrievedFrom":"https://disclosdex.com/api/v1/documents/2000-uk-ministry-of-defence-project-condign-report","license":"CC-BY-4.0"}}