Unknown

The Greenville Black Triangle

Greenville County, South Carolina · 26 May 2009 · Photograph · United States · Added 2026-06-11

In 26 May 2009, near Greenville County, South Carolina, a dark, flat object photographed against heavy storm cloud, reading as a disc in one frame and a sharper black triangle in another. This case file covers what witnesses reported, the official narrative, and a two-pass assessment with its evidence tier.

What did witnesses see at Greenville County?

A dark, flat object photographed against heavy storm cloud, reading as a disc in one frame and a sharper black triangle in another. A further frame from the same set circulated separately as a "black manta" object, photographed with a bird visible for scale.

More footage and images of this sighting

The same object in the frame circulated as the "black manta," with a bird marked for scale by a community analyst.

Photo 2 of 3 from the original set (Stormclouds014): the flat black "manta" silhouette against the thunderheads. Witness C. Salvo, Minolta Z5, via UFO Casebook (archived).

Photo 3 of 3 (Stormclouds015): the object in profile showing a pointed delta shape as it headed south (archived).

What is the official explanation?

None. The case lived on enthusiast archives rather than any official file.

What did the witnesses think it was?

The photographer reported a silent dark craft overhead.

Is the Greenville Black Triangle real? The two-pass assessment

A crisp solid shape this close can be a thrown object or a model, and the provenance is a single uploader. Disputed, with the honest caveat that nothing corroborates the single source.