UAP

Steven Greer Put His UFO Disclosure Demand in Writing. Here Is What the Letter Says

Greer’s June 2026 letter set an August deadline and described a proposed evidence effort. The document distinguishes promises from material actually supplied.

Illustration of an envelope and blank papers beside a calendar on a desk.
Editorial illustration accompanying the report on Greer’s letter; the papers shown are not the document. Illustration: Curiosmos.
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Steven Greer put a deadline on his demand for UFO disclosure: August 29, 2026. In a letter dated June 29, he outlined a proposed effort to obtain and release material concerning alleged craft, bodies and secret operations if the government did not respond.

The deadline has now passed. It joins a longer history of disclosure promises and public records. The document remains worth reading because its wording is more specific—and in places more conditional—than the headlines announcing it.

A promise to seek material

The four-page letter, posted on Greer’s website, describes what he calls Unacknowledged National Operational Disclosure, or UNOD. It alleges hidden activities involving unusual craft and biological material.

The letter says that, unless the government contradicts its position by the deadline, the effort will solicit further hard evidence and release material. The promise to solicit evidence matters. It is not the same as attaching a complete, independently examined collection to the letter.

Greer also presents his position on protection from national-security prosecution. That is his assertion in the document, not an official finding that the proposed activity has government approval. The recipient’s silence would not, by itself, authenticate the alleged objects or endorse the account.

Different releases would answer different questions

An account from someone who says they worked on a craft would add testimony. A document with a verifiable origin could establish what an organisation recorded. A physical sample, examined independently and accompanied by a traceable history, could support a different kind of inquiry.

Those materials should not be counted as equivalent simply because they are described as evidence. A witness could be accurately describing a document whose contents are mistaken. A genuine document could record an unverified report. A real specimen could still have an ordinary origin.

For the biological claims, a useful release would explain where the material came from, who handled it and what tests were performed. For a craft claim, the operating data, examination methods and access given to independent investigators would matter as much as photographs.

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Greer’s letter also distinguishes material proposed for release from technical information it says would be withheld. That would limit what outside researchers could reproduce from a public package. Readers would need a clear inventory of what was made available and what remained inaccessible.

The deadline and the follow-up

Greer’s website lists a September 29 podcast episode about the letter, the deadline and claims of suppression. The episode listing establishes that he returned to the subject after August 29. Its brief description does not itself provide the promised bodies, craft or an independent examination of them.

A disclosure effort could become far more useful through a simple public record: each item promised, the date it was released, a direct route to the original material and the examination it has received. That would allow people following the story to distinguish a new allegation from a new document or a new physical finding.

Greer’s letter makes the proposal concrete enough to follow in that way. The next question is which of its promised materials can be examined beyond the people already making the claims.

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Ivan Petricevic

About the author

Ivan Petricevic

Ivan Petricevic is an investigative journalist and researcher with more than a decade of experience covering ancient history, UAP phenomena, space, and science. He writes about space, science, and history for Večernji list and has appeared as an expert on Discovery Channel and History Channel. He founded Curiosmos, where he reports from primary sources, archaeological research, and field investigations.