UFOMYST
CaseOther1991

Willow Grove, PA, USA

Huge "V" shape craft as seen before over mountains in California/Las Vegas.

When
1991-10-31
Where
Willow Grove, PA, USA
Shape
Other
Duration
5 sec
Geo
40.144, -75.116 · exact
Slug
other-over-willow-grove-pa-1991-22b0bc
Wave

Part of a wave

  • Historical wave1989–1991

    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…

    Open wave →

Report

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