November 29, 1989 — April 1990, Belgium: One of the most government-transparent UAP investigations in history. Witnesses described large, silent triangular craft approximately 120 feet across — three bright lights at each corner, red flashing center light, capable of hovering then sudden high-speed departure. SCALE: Over 13,000 witnesses including police officers, army officers, civilians; 2,000+ formal testimonies collected by SOBEPS. First reports November 29, 1989 near Eupen (German border): two police officers described a triangular object hovering 300 feet away. March 30–31, 1990 CLIMAX: Multiple ground radars detected an unidentified object over central Belgium. Belgian Air Force scrambled two F-16s from Beauvechain Air Base under Chief of Operations General Wilfried De Brouwer. F-16 radar records: object dropped from 9,000 to ~500 feet in seconds — beyond any known aircraft survival limit. Acceleration from 150 to 1,100 km/h in seconds — no sonic boom, no engine signature. F-16 pilots achieved nine attempted intercepts over an hour; never gained visual contact. GOVERNMENT RESPONSE: The Belgian Air Force worked directly with SOBEPS (civilian UAP organization) — unprecedented cooperation globally. Belgian Minister of Defense Leo Delcroix: “Unfortunately, no explanation has been found to date. The nature and origin of the phenomenon remain unknown. One theory can be definitely dismissed — American authorities have been positively assured that there were no US aerial test flights.” US Embassy in Brussels and US DIA both officially denied any US operations. Belgian Air Force conclusion: events were “real” but unidentified. PHOTO HOAX: The famous Petit-Rechain photograph was admitted a hoax in 2011 (styrofoam triangle with flashlights). The aerial events themselves remain unexplained.