Triangle
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Active leadUseful case file with unresolved ambiguity and room for more corroboration.

A June 2026 black triangle sat in the Pentagon’s files for four months before release. What changed?

Triangle20s3 witnessesOfficial docJun 1, 2026, 12:00 AMwestern U.S.

Witnesses

3 witnesses

Duration

20s

Source material

3

Timeline

4

Source context

Moderate context

63

The report has enough structure and source material to stay in active review.

Source provenance

r/UFOs

Live sighting record 292139c0-a7af-488d-9be4-e6bea25c58e8.

Using the selected case's real source, media, and context throughout the workspace.

Correlations

Field Intelligence

Sunlight window

Daytime — sun above horizon

Sighting occurred during daylight hours

Solar window

Sunrise6:02 AM
Sunset8:53 PM
Day length14h 50m

Weather

Open-Meteo
ConditionsMainly clear
Temperature81°F
Cloud cover20% · Mostly clear
Wind4 mph

Area activity

Within 2 days1 sightings within 60 mi

Extracted details

Observed facts

Occurred

Jun 1, 2026, 12:00 AM

Timezone

Central Time

Location

western U.S.

Duration

20s

Observers

3 witnesses

Witness account

Narrative

AARO memo DOW-UAP-D176 describes a matte-black triangle, 13-15 feet across, seen by two federal special agents and a third official at a sensitive site in the western U.S. The object rose 200-300 feet over a ridgeline, hovered for about 20 seconds, then banked and dropped toward a canyon in two to three seconds. A ground survey the next morning found no wreckage or scarring. The FBI’s own statement (FBI-UAP-D043) says the whole event lasted about three seconds, and the two documents differ by...

Case progression

Timeline

Encounter windowJun 1, 2026, 12:00 AM

Witnesses place the encounter near western U.S..

PublishedOct 28, 2026, 10:01 PM

r/UFOs carried the report into the source network.

Linked event

Grouped into the 2026 Western U.S. Black Triangle Sighting incident dossier.

Signal attachment

Tracked inside the Pentagon Releases Documents Detailing FBI Encounter with Silent Triangular Aircraft signal.

Ledger

Source material

media

Cover image

Open

Visual reference carried with the original report.

source

Original report

Open

Direct source material from r/UFOs.

telemetry

Environmental pass

Historical atmosphere, astronomy, and nearby infrastructure were resolved for this case.