Upper Marlboro, MD, USA
This account was seen by my mother and step father. I have interviewed them numerous times and just last night I questioned them again
Report quality: Moderate55/100
This score reflects report-quality signals on file — how complete, corroborated, and precisely located the report is — not a claim about whether the sighting was a real craft.
- Duration parsed: 300s, a plausible sighting length
- Detailed witness text (134 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1989-06-01
- Where
- Upper Marlboro, MD, USA
- Shape
- Disk
- Duration
- 5 minutes
- Geo
- 38.816, -76.750 · exact
- Slug
- disk-over-upper-marlboro-md-1989-03230b
Part of a wave
The Belgian Triangle Wave
Belgium (Eupen, Wallonia, Brussels corridor)
The definitive black-triangle wave: silent, slow platforms with three corner lights, reported by gendarmes, air-traffic controllers, and thousands of citizens. On the night of March 30-31, 1990, Belgian F-16s scrambled…
In context
- This is one of 8 reports logged in Upper Marlboro, MD.
- This case is one of 5 Maryland reports filed in 1989.
- Disk craft made up 14.3% of 1980s reports, vs 5.9% across the whole archive.
Report
Full narrative lands with dossier import for famous cases, or the NUFORC free-text summary above for standard reports. This shell is SSR-ready: one D1 row (including connections_json) per page.