Case File · ARCHIVE-1223Declassified
Agency NSAFiled JUL 18 · 2026Runtime 2 min
4sep Browns Report
Cold Open: This is a declassified briefing of the 4sep Browns Report, released through The Black Vault. The document is undated, but based on the content, it appears to be from the early 1940s. The report details a mysterious aerial phenomenon observed on September 4th, 1940.
- Agency
- National Security Agency (NSA)
- Date
- JUL 18 · 2026
- Release
- Declassified · U.S. public record (FOIA)
- Source document
- View the primary source document
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Episode notes
Cold Open: This is a declassified briefing of the 4sep Browns Report, released through The Black Vault. The document is undated, but based on the content, it appears to be from the early 1940s. The report details a mysterious aerial phenomenon observed on September 4th, 1940. Provenance: The…
Questions about this case
- What was 4sep Browns Report about?
- Cold Open: This is a declassified briefing of the 4sep Browns Report, released through The Black Vault. The document is undated, but based on the content, it appears to be from the early 1940s. The report details a mysterious aerial phenomenon observed on September 4th, 1940.
- Why was this case declassified?
- This material was released by the National Security Agency (NSA) through the U.S. declassification and Freedom of Information Act (FOIA) process. The originating source document is linked in the case notes above so the citation chain is fully auditable.
intelligence-vault
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