PURSUE Release 7: AARO’s Black Triangle Case & the BAASS Files

Summary

The seventh release of the government's PURSUE UFO files contains more than 1,100 pages across 28 documents but not a single video, and host Andy calls it a step backward. The headline case, D176, describes federal agents watching a silent, matte black triangle hover and then dart into a canyon at a sensitive Western US site in 2026, which AARO says matches other regional reports. The drop also includes roughly 700 pages of Bigelow Aerospace (BAASS) documents covering efforts to obtain alleged recovered craft and biological material, plans for an underground vault, and contact experiments at Skinwalker Ranch.

Key takeaways

• 1File D176: two federal special agents, backed by a third official at another post, saw a matte black triangle about 13-15 feet across in 2026. It rose for about 10 seconds, hovered for 20 seconds, then banked into a canyon in 2-3 seconds with no sound or exhaust, and a ground search found no wreckage.
• 2AARO says D176 warrants further investigation because its shape ('morphological features') and movement ('kinematic profiles') closely match other incidents in the Western US. No instrument-based speed measurements were recorded.
• 3A December 2008 BAASS management plan lists about 10 people allegedly tied to retrieval programs for advanced aerospace hardware or biological material, and asks the DIA to authorize them to talk. Related efforts include Project Oral History and Project Cooperation.
• 4A June 2009 BAASS report describes plans for a 5,000 sq ft underground vault with 3-foot-thick walls, ceiling and floor to store hoped-for hardware or biological samples. A November 2009 report says key projects were halted because Bigelow Aerospace lacked 'need to know'.
• 5Skinwalker Ranch material includes Project Engagement, which sought 'communication and/or contact' using 'cognitive interactive subjects'; brain-teaser puzzles locked in briefcases; Fibonacci-sequence tiles; and the 'hitchhiker effect'. Other BAASS projects are Project Capella (a UFO database) and Project Northern Tier (UFO incidents at nuclear sites).
• 6The drop includes files on Col. Howard Monroe McCoy and Project Sign, plus a 1963 memo recording a NASA official's concern that the DoD and Air Force wanted to use NASA 'as a cover' while handling fragments of foreign-launched spacecraft.

Glossary terms

Source

Transcript excerpt

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Excerpt from That UFO Podcast, Oct 23, 2026. Rights remain with the original creators. Hear the full episode at the source.