What did the declassified documents reveal?

COLD OPEN. This is a reading of document number 1949‑05‑6310596, a Los Alamos, New Mexico incident report dated May nineteen forty‑nine, catalogued under the title “Los Alamos New Mexico 365.” The file is notable as a contemporaneous U‑S Air Force observation report of an unidentified aerial phenomenon, now publicly available through The Black Vault. PROVENANCE. The document was released to the public by The Black Vault, a digital archive of declassified government records. It appears online without a specific FOIA case number, with the release date listed as the date of upload to the archive. The declassification authority is indicated on the first page of the file as “UNCLASSIFIED.” The full text can be accessed at the canonical URL https://archive.org/download/1949-05-6310596-LosAlamos-NewMexico-365-/1949-05-6310596-LosAlamos-NewMexico-365-djvu.txt. THE DOCUMENT. UNCLASSIFIED. Date of Observation: May one, nineteen forty‑nine. Exact time (local): twenty‑one hundred twenty‑six hours. Place of Observation: Los Alamos, New Mexico. Position of observer: ground. What attracted attention to object: bright illumination. Number of objects: one. Apparent size: ball, diameter approximately two feet. Color of object: white, very bright. Shape: spherical. Altitude: elevation between ten and fifteen degrees. Direction from observer: east. Distance from observer: fifteen miles. Direction of flight of object: south‑west to north‑east. Time in sight: three seconds. Speed: fast, estimated between one thousand and one thousand five hundred miles per hour. Sound and odor: none reported. Trail: none observed. Luminosity: intense, self‑luminous. Projections: none noted. Maneuvers: none observed. Manner of disappearance: vanished without a trace. Effect on clouds: none. Additional information concerning object: none. Weather conditions (overhead): clear. UNCLASSIFIED. Incident report reference: original report number thirty‑five. Date of Interview: May one, nineteen forty‑nine. Interviewer: Inspector John C. Fosner, Los Alamos, New Mexico. Occupation and hobbies of observer: not recorded. Comments of interrogator relative to intelligence and character of observer: observer did not wear glasses, especially polarizing lenses, at the time of observation. UNCLASSIFIED. Date of Observation: May one, nineteen forty‑nine. Exact time (local): twenty‑one hundred twenty‑six hours. Place of Observation: Station three, Los Alamos, New Mexico (map coordinates provided). Position of observer: ground. What attracted attention to object: bright illumination. Number of objects: one. Apparent size: comparable to an airplane landing gear. Color of object: very bright white. Shape: spherical. Altitude: elevation between ten and fifteen degrees. Direction from observer: east. Distance from observer: fifteen miles. Direction of flight of object: south‑west to north‑east. Time in sight: three seconds. Speed: fast, estimated between one thousand and one thousand five hundred miles per…

Why was this case declassified?

This material was released by the Central Intelligence Agency (CIA) through the U.S. declassification and Freedom of Information Act (FOIA) process. The originating source document is linked on this page so the citation chain is auditable.

Declassified CIA File

◆ BLUF — The short version

COLD OPEN. ” The file is notable as a contemporaneous U‑S Air Force observation report of an unidentified aerial phenomenon, now publicly available through The Black Vault. PROVENANCE. The document was released to the public by The Black Vault, a digital archive of declassified government records.

Agency: Central Intelligence Agency (CIA)
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 reading of document number 1949‑05‑6310596, a Los Alamos, New Mexico incident report dated May nineteen forty‑nine, catalogued under the title “Los Alamos New Mexico 365.” The file is notable as a contemporaneous U‑S Air Force observation report of an unidentified aerial…

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Questions about this case

What was Declassified CIA File about?: COLD OPEN. ” The file is notable as a contemporaneous U‑S Air Force observation report of an unidentified aerial phenomenon, now publicly available through The Black Vault. PROVENANCE. The document was released to the public by The Black Vault, a digital archive of declassified government records.
Why was this case declassified?: This material was released by the Central Intelligence Agency (CIA) 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.

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