Posted by On October 23, 2026, the Pentagon released its seventh batch of UFO files. The standout document describes a silent, matte-black triangular object seen by federal agents over a sensitive site in the western United States. The office that investigates anomalous phenomena has no explanation and wants more investigation. Black triangles, though, are nothing new: from Belgium to Arizona, people have been reporting them for more than forty years.
Night falls over a canyon somewhere in the American West. Two federal agents guarding a facility we are not allowed to name watch something rise from behind a ridge. It is dark, flat and triangular. It hangs in the air for about twenty seconds. Then it slides away sideways, fast. No engine roar. No rotor thump. Nothing at all.
This isn’t the opening of a thriller. It is a summary of an official report published by the U.S. Department of Defense, now also styled the Department of War. And the people who wrote it can’t say what the object was.
What the new Pentagon file says
The report is part of the seventh release under PURSUE, the Presidential Unsealing and Reporting System for UAP Encounters. Since May 2026, the program has been posting memos, case files and witness accounts on UAP, or unidentified anomalous phenomena, the official term for what most of us still call UFOs. Earlier batches came out between May and September. This one landed on Friday, October 23.
According to EarthSky and The National Desk, the incident took place in June 2026 and played out over two days. Two federal special agents saw the object. A third official, at a separate observation post, backed up their account. Both the FBI and AARO, the Pentagon office set up in 2022 to collect and analyze anomalous reports, looked into it.
The details are strikingly specific. The object was about 4 to 5 meters (13 to 16 feet) wide, 2 to 3 meters long and only a foot or two thick. That is roughly the size of a car, far smaller than the huge triangles of classic sightings. It climbed some 60 to 90 meters (200 to 300 feet) above the ridgeline, hovered, then shot off. One document says it covered about 1.5 miles in three seconds. An AARO memo stresses one point above all: total silence, even at high speed. A ground search of the canyon the next morning turned up no debris, no scorch marks and no damaged plants.
The exact date and location are redacted. AARO offers no explanation. It simply recommends further investigation, because the case looks like other reports from the western U.S. Officials point out that “unresolved” only means there wasn’t enough data for a firm identification. It does not mean aliens.
Skinwalker Ranch and “space fragments”
The October batch also digs into the archives. There are reports of cylindrical or elliptical objects over Sweden in 1953 and Saudi Arabia in 1957. There is 1960s guidance, shared by NASA and the Defense Department, on handling recovered space hardware, including an odd category for technology that couldn’t be identified at all. And there are progress reports from BAASS, Robert Bigelow’s company, which worked for the Defense Intelligence Agency on the AAWSAP program from 2008 to 2010. Among them: a 2010 report on Utah’s Skinwalker Ranch, long famous for tales of strange lights and mutilated cattle, and a 2009 witness sketch of a domed disk.
Four decades of black triangles
To see why this report caused such a stir, you have to go back. The black triangle is almost a genre of its own in UFO lore. The same features keep coming back: a triangle or boomerang shape, lights at the corners, slow low flight and silence.
In the 1980s, thousands of people in New York’s Hudson Valley said they saw a giant boomerang of lights drifting over highways and towns. Skeptics traced at least part of the wave to a group of small-plane pilots flying in tight formation at night. Many witnesses never bought it.
The most famous case came from Europe. Between November 1989 and 1990, Belgium had what became known as the Belgian UFO wave: hundreds of reports of dark triangles with lights, starting with an evening when two police officers near Eupen said they followed a silent craft for a long time. On the night of March 30–31, 1990, the Belgian Air Force even scrambled two F-16s to chase odd radar returns, with no clear result. The wave’s iconic photo, taken in Petit-Rechain, was later admitted to be a hoax made with a foam model. That still didn’t explain dozens of accounts from police and ordinary citizens.
Then came the Phoenix Lights on March 13, 1997, when thousands of Arizonans watched a V-shaped formation of lights cross the sky. Part of the event was put down to flares dropped by military aircraft during an exercise. The earlier part of the sighting still has no answer that satisfies everyone.
Possible explanations
The most down-to-earth answer is secret aircraft. The F-117 Nighthawk, angular and dark, flew in secret for years before the Air Force admitted it existed in November 1988, the same month the flying-wing B-2 bomber was unveiled. It is easy to imagine that some sightings from that era were classified prototypes. Today the same logic applies to drones. A dark object a few meters across that can move fast could be an experimental drone, American or foreign, perhaps spying on that very site.
But some details don’t fit neatly. A drone fast enough to cover 1.5 miles in three seconds should make noise, and the agents insist they heard nothing. The lack of ground traces leaves several options open too: tricks of night vision, a misjudged distance, or simply technology we don’t know about. The report doesn’t prove alien visitors exist. What it does show is that, forty years on, trained observers are still seeing the same shape in the dark.
Why these files matter
For decades, black triangles belonged to forums and late-night radio. Seeing one in an official document, with measurements, cross-checked witnesses and a Pentagon office’s name on it, changes the tone of the conversation. It doesn’t settle anything. It makes it more serious. And PURSUE has already said more files are coming.
If close encounters are your thing, read about the alien abduction of Pier Fortunato Zanfretta, Italy’s most famous abduction case, the strange Friendship case and the disappearances in the Alaska Triangle.
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- EarthSky – Pentagon UAP files part 7: Silent black triangles
- The National Desk – Federal agents reported seeing silent black triangle in latest UFO file release
- Axios – Mysterious “flying triangle” sighting leads new government release of UFO documents
- U.S. Department of Defense – PURSUE UAP file archive
Featured image: F-117 Nighthawk stealth aircraft over New Mexico. Photo by the United States Air Force, Wikimedia Commons, public domain.
