While the world watched the Department of War’s PURSUE portal go live and rack up over a billion hits inside three weeks, the United States National Security Agency quietly released hundreds of pages of historical UAP-related records that had previously been classified at one of the highest clearance levels the US government uses for signals intelligence: TOP SECRET UMBRA. The release was prised out of the NSA on 18 May 2026 by the Disclosure Foundation — a UAP-transparency advocacy group — through a Freedom of Information Act appeal that, in legal terms, dates back to 1980. Almost no major news outlet has covered it. We think they should.
The NSA is not the Pentagon. It does not chase shapes in cockpit infrared. The NSA’s specific job is signals intelligence — intercepting and decoding the radio, satellite, microwave, and computer communications of foreign powers. Its records on Unidentified Anomalous Phenomena are, by definition, the part of the UAP archive that has to do with what UAP transmit, what gets transmitted about them, and what the United States has been quietly listening to over the past sixty-plus years. That is a very different kind of document than what the Department of War published on war.gov/ufo.
What Is TOP SECRET UMBRA?
The classification matters more than the page count. UMBRA is not just a step above Top Secret. It is a codeword compartment — a category of sensitivity inside the Top Secret tier that is reserved for the most sensitive signals-intelligence material the United States produces. To read an UMBRA document, an analyst historically needed Top Secret clearance plus separate read-in for the UMBRA compartment. The number of people in any given decade who held that access was, by NSA’s own description, in the low thousands.
The newly-released NSA records were all previously held at this level.
That is the part of the release that nobody who has read it has been able to dismiss. Whatever else the NSA was or was not doing about UAP between the 1960s and the present, it considered the material so sensitive that for decades it sat inside one of the most restrictive compartments the United States intelligence community maintains.
The 45-Year FOIA Fight
The Disclosure Foundation’s appeal was not a fresh request. The original Freedom of Information Act lawsuit was filed against the National Security Agency in 1980, on behalf of a citizen watchdog group, to compel production of UFO-related records in the NSA’s possession.
The NSA’s initial response in 1980 was a blanket denial. The agency took the position that producing any UFO-related material would compromise national security in ways the courts should accept on its word. The watchdog group appealed. The NSA’s own internal appeals authority then acknowledged, on review, that the blanket denial had been improper.
Hundreds of pages were produced as a result of that admission. Many of those pages remained heavily redacted, and many records were still withheld under exemption claims. The Disclosure Foundation has spent the intervening four-and-a-half decades pursuing the remaining records. The May 2026 release is the latest tranche to be prised loose — and the Foundation has stated, on the record, that it is “completing its review of the NSA’s asserted exemptions” and will mount further challenges.
In plain language: the NSA still has more, and it is still refusing to release it.
What’s Actually In The Files
The newly-public material spans roughly six decades, with the bulk of the records dating back to the 1960s and 1970s — the height of the Cold War. According to the Disclosure Foundation’s own briefing, the contents include:
- Signals-intelligence intercepts referencing UAP-related events.
- Internal NSA correspondence concerning the agency’s procedures for handling UAP-related material.
- Cross-references to other intelligence agencies’ UAP files.
- Analyst-level discussion of how UAP signals reports were to be classified, categorised, and shared with other US government bodies.
- Several heavily-redacted operational documents whose subject lines reference specific UAP encounters by date.
The Foundation has been careful in how it has framed the release. The documents do not, on their own, prove that UAP are extraterrestrial, interdimensional, or anything other than terrestrial phenomena the NSA does not fully understand. What they do prove is that for the entirety of the Cold War and the decades that followed, the US signals-intelligence apparatus treated at least some UAP sightings as “extraordinarily sensitive” — sensitive enough to be locked inside UMBRA.
Why This Hits Different From The PURSUE Drop
The Department of War’s May 22 release — which gave us the official infrared footage of a flying humanoid and the “virtually speechless” orange-orbs helicopter encounter — was a public-facing political release. It was ordered directly by the sitting US President, scheduled for maximum press attention, and published on a US government domain with a public-facing portal.
The NSA’s UMBRA release is the opposite. It was not voluntary. It was the slow, grudging output of an inter-agency FOIA fight that took forty-five years to force. The NSA did not want to publish it. There was no press conference. There is no portal. There are no curated highlight videos. There are PDFs.
That makes the documents harder to spin. A presidential public-relations release will be packaged. A FOIA-compelled UMBRA release is the agency saying, under legal compulsion, “here is what we had, and now you have it.”
The Earlier NSA / UFO Strange Cases
This is not the first time the NSA has been at the centre of a UFO-related story. Back in the mid-2010s, the agency’s public website was discovered to be hosting a transcript of an alleged extraterrestrial radio message, which the NSA itself never satisfactorily explained. Earlier declassified material has included FBI-NSA cross-agency files describing what the original reporting agents called “ethereal” beings and creatures from other dimensions. A 1947 declassified FBI memo, recovered in the late 2010s, describes giant human-like figures observed by US officials.
Each of those releases was, on its own, dismissible. Together they paint a picture of a US intelligence community that has, for the last eighty years, been collecting material on UAP that it has refused to publicly characterise as either real or fake, while consistently classifying it at the highest available levels.
What Is The NSA Still Hiding?
The new release sits alongside an explicit Disclosure Foundation acknowledgement that “substantial redactions and exemptions” remain in place. The Foundation has named, in its public legal correspondence, the categories of material the NSA is still withholding: signals intercepts referencing specific named UAP cases, intra-agency memoranda about briefing protocols, and an as-yet-unspecified number of records from the late 1960s and 1970s that the NSA has not yet processed for release at all.
In short: there is more, the NSA knows there is more, the Disclosure Foundation knows there is more, and the next round of FOIA appeals is already being drafted.
How This Fits The 2026 Disclosure Cycle
The May 18 NSA release fell exactly four days before the Department of War’s May 22 PURSUE second-batch drop. That timing was not coincidental — both releases were finalised under the same political climate, ordered by the same administration, and shaped by the same congressional pressure. They are two halves of the same disclosure pulse. The Department of War’s drop is the public theatre. The NSA’s UMBRA release is the institutional concession.
Both are part of what former US intelligence officer David Grusch — the whistleblower whose 2023 Congressional testimony kicked off the modern disclosure cycle — described at the Space Symposium earlier this month: a window in which UAP disclosure is set to “dramatically escalate within the next 60–90 days”. The June 2026 third PURSUE batch is the next visible deadline. The NSA’s continued withholdings are the next legal one.
Frequently Asked Questions
What is TOP SECRET UMBRA?
UMBRA is a codeword compartment within the US Top Secret classification system, used historically by the National Security Agency for the most sensitive signals-intelligence material. To read UMBRA-classified documents an analyst needed Top Secret clearance plus a specific UMBRA read-in. It is one of the most restrictive routine classification markings the United States government uses.
Who released the documents?
The National Security Agency released the documents on 18 May 2026 in response to a Freedom of Information Act appeal by the Disclosure Foundation, a UAP-transparency advocacy organisation. The original FOIA action that produced the appeal was filed in 1980 — the case has been working through the system, in one form or another, for forty-five years.
How many pages were released?
The Disclosure Foundation describes the release as “hundreds of pages” of historical UAP records. The exact page count has not been publicly itemised. Many pages remain heavily redacted, and the Foundation has stated that further withholdings will be challenged through additional appeals.
Where can I download the files?
The Disclosure Foundation has posted the released documents on its own portal at disclosure.org. The release has not been mirrored on any US government UAP portal at the time of writing.
Does this prove UAP are extraterrestrial?
No — and the Disclosure Foundation is careful to frame it that way. What the documents prove is that the US signals-intelligence apparatus has, for the last sixty years, treated at least some UAP-related material as so sensitive that it required UMBRA-compartment classification. What the actual UAP are is a separate question. The classification level is the evidence; the nature of the phenomenon is still the open question.
Why has this received so little press coverage?
The release was not packaged for media. There was no press conference, no portal launch, no curated video. It came out of a FOIA appeal process and landed on the Disclosure Foundation’s own website four days before the Department of War’s much more public PURSUE drop on 22 May 2026. The Pentagon’s flying-humanoid release absorbed essentially all of the available UAP press oxygen for that week.
What comes next?
The Disclosure Foundation has confirmed it will mount fresh legal challenges against the NSA’s remaining redactions and exemptions. The next Department of War PURSUE batch is expected in June 2026 and has been pre-briefed to include images of “translucent” long-limbed beings and the first official records related to alleged alien abductions. Former intelligence officer David Grusch has predicted UAP disclosure will “dramatically escalate within the next 60–90 days”.
Discover more from Infinity Explorers
Subscribe to get the latest posts sent to your email.