Structured source analysis of public source material from The Sentinel Network. Claims, allegations, inferences, and investigative conclusions remain attributed to the source material and are not independently verified here.

Probed ingest of: THE CORPUS: NSA Argued This File Would Damage National Security. Page 236 Reads “Thirteen MIGs Chased One UFO.”
334 pages. Forty-six years sealed. The ball of fire Yeates cited to seal the file is on page 333.
Source Claims
5- Source reportedAsserted
The Sentinel Network reports that NSA told a federal court that releasing certain COMINT-related UAP records would seriously damage U.S. intelligence collection capabilities.
NSA had located 239 documents responsive to the FOIA request... Yeates told the court that releasing the COMINT records would 'seriously damage the ability of the United States to gather this vital intelligence information.'
- Source reportedObserved
The Sentinel Network reports that page 236 of the NSA FOIA release states 'Thirteen MIGs chased one UFO.'
Open the production to page 236... the readable text reads: F. MIG REACTION TO UFO’s: 13 MIG’S CHASED ONE UFO.
- Source reportedObserved
The Sentinel Network reports that the Disclosure Foundation won a FOIA appeal resulting in the release of 334 pages of NSA UAP-related records.
On May 17, 2026, the Disclosure Foundation announced that NSA had produced 334 pages of historical UAP-related records following a FOIA appeal.
- InterpretationAsserted
The Sentinel Network reports that the NSA's redaction methods are technically competent and well-executed.
We will say this clearly. The redactions are technically well-executed.
- InterpretationObserved
The Sentinel Network reports that the scanned pages contain a Canon Inc. JPEG metadata marker, which the article interprets as evidence that Canon-branded hardware or software was involved in digitization.
Every one of the 333 scanned pages bears the same six-byte comment marker buried in the JPEG header. The string reads 'Canon Inc' followed by four null bytes.
Structure Across Time
How the key people and organizations in this source are involved as events unfold. Built from the extracted timeline — co-appearance here reflects the source’s narrative, not verified coordination.
Disclosure Foundation FOIA Appeal Outcome
The Disclosure Foundation announced the release of 334 pages of NSA UAP-related records.
Yeates Affidavit Submission
Eugene F. Yeates submitted a classified affidavit to a federal judge.
RELATED ENTITIES
(9)Source Material
3Source Documents
2Research Map
Entities are linked when they share a claim or a dated event in this source. Tap any node to see why it’s here.
Deep probes
20Probed ingest of: THE COMPLEX: The Pentagon Just Published the 1949 Green Fireball Files. Our 2026 Coverage Says They Are Returning.
The Sentinel Network · May 27Probed ingest of: THE SIGNAL #007: THE PROBABILITY
The Sentinel Network · May 26Probed ingest of: THE PRIORS: Kevin Patrick Childress Created a Reddit Account Before AATIP Broke.
The Sentinel Network · May 20Probed ingest of: THE MISSING BIN: We Said SETI Couldn’t Hear a Probe. We Spent 163 Hours Reprocessing Their Data.
The Sentinel Network · May 14Probed ingest of: THE REFRACTOR: A Pentagon Deadline for 46 UAP Videos Lapsed in Silence. The Same 46 Surfaced Elsewhere.
The Sentinel Network · May 7Probed ingest of: THE VIEWPORT: We Built 3I/ATLAS.
The Sentinel Network · May 6Probed ingest of: THE BAIT: A Fabricated Jupiter Impact Reached Our Inbox. Two Weeks of Verification Said No.
The Sentinel Network · May 4Probed ingest of: FIELDCRAFT #007 — THE PAPER WALL
The Sentinel Network · May 2
The Sentinel Network