Spain IIEE Official Investigations — National UAP Documentation

Spain's military engaged in systematic UAP investigation from the mid-1960s. The Spanish Air Force and Ministry of Defence maintained classified files on UAP incidents involving military personnel, civil aviation, and civilian witnesses. Spain's Ejército del Aire (Air Force) collected reports through its intelligence channels. In 1992, Spain became the first NATO member nation to voluntarily declassify and publicly release its military UAP investigation files. A series of releases followed in 1993, 1994, and 1999, covering approximately 80 investigated cases from 1962 to 1993. The released files included: Spanish Air Force pilot observation reports with associated radar data; Civil Guard (police) incident reports; Spanish customs and border service reports; physical evidence case documentation including ground traces and physiological effects on witnesses; and official investigation summaries with 'unidentified' or 'insufficient evidence' classifications. Notable among the Spanish cases were multiple simultaneous pilot-radar incidents over the Canary Islands and mainland Spain, and cases involving electromagnetic vehicle interference similar to those documented by the USAF in the United States. Spain's proactive declassification program preceded France's GEIPAN archive release by 15 years and served as a model referenced by other European nations considering transparency on UAP documentation.