HOMEINCIDENTSDoD-B10-023
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◈ IMAGE AVAILABLE
DoD-B10-023 · 1990-03-30

Belgian Triangle F-16 Lock-On 1990

DoDBelgium — Wavre areaEurope#1990Triangular200–10,000 feet75 minutes
EVIDENCE GALLERY

Visual reconstruction and recovered media extracted from the incident dossier. This case includes still evidence and analytical reconstruction.

Representative official gallery image traced to an official public-source archive

MEDIA STATUS
Official gallery media is shown as representative archive context for this case.
SOURCE TYPE
Photo evidence plus archival field-report analysis.
VIEW MODE
Still view highlights silhouette, environment, and encounter geometry.
AT A GLANCE

The Belgian Air Force's most dramatic scramble involved two F-16s achieving radar lock on a triangular craft nine times — each time the craft performed evasive maneuvers reducing its speed from 280 mph to 20 mph in a second. The general of the Belgian Air Force held a public press conference confirming the event.

PRIMARY WITNESSES
Belgian Air Force F-16 crews, ground radar, 2,600 civilians
EVIDENCE PROFILE
STILL EVIDENCETRIANGULAR
FILE ID
DoD-B10-023
DATE
1990-03-30
AGENCY
DoD
REGION
Europe
SHAPE
Triangular
ALTITUDE
200–10,000 feet
OBSERVED BEHAVIORS
Stationary HoverRapid AccelerationAnti-Gravity Hover
DECLASSIFIED DETAILS

On the night of March 30–31, 1990, two Belgian Air Force F-16A fighters were scrambled from Beauvechain Air Base following 2,600 civilian reports and confirmed ground radar tracking of a large triangular object over the Wavre area near Brussels. The F-16 crews achieved radar lock on the object nine separate times during a 75-minute engagement. Each time lock was achieved, the object performed evasive maneuvers of extraordinary capability — on one occasion reducing speed from 280 km/h to 20 km/h in under one second while simultaneously changing altitude by 3,000 feet, then accelerating back to 280 km/h. No known aircraft can replicate these performance parameters without killing the occupants. Major General Wilfried De Brouwer of the Belgian Air Force held a full public press conference on April 22, 1990 — with the radar tapes played publicly — confirming the event and stating 'No conventional explanation exists.' He stated: 'The Belgian Air Force has had no choice but to admit that its fighters could not intercept the object.' The event became the most officially documented triangle sighting in European history.

KEY CHARACTERISTICS
  • Nine successful radar lock attempts defeated
  • 280 to 20 km/h in one second
  • General De Brouwer public press conference
  • Radar tapes played publicly
  • 2,600 civilian witness reports
ORIGINAL SOURCE

This incident is indexed as file DoD-B10-023inside Now Declassified's research layer. The nearest official source trail for this agency points to NARA RG 615 / OSD, where archive records, imagery, or supporting context are published for public review.

OPEN OFFICIAL SOURCE CONTEXT →
EVIDENCE STRENGTH
MODERATE
Video Record
0
Still Imagery
15
Witness Credibility
20
Sensor Corroboration
20
Physical Evidence
0
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