For credible U.S. government records on UFOs and UAP, start with the National Archives and Records Administration (NARA): its guides connect readers to records across agencies, record groups, formats, and presidential libraries. For newer agency transfers, use NARA’s Record Group 615 collection; for historical Air Force investigations, use its dedicated Project BLUE BOOK guide. AARO provides another official entry point, but its historical report is an agency assessment, not a substitute for the underlying archival records.
Start with NARA’s UAP records collection
NARA is the most useful cross-agency archival starting point. Its UAP records overview links to holdings in different record groups, formats, and presidential libraries. Follow the links to the National Archives Catalog when you want an item-level description or a digital copy, rather than relying on an overview page alone.
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Recent transfers: Record Group 615
Record Group 615 is NARA’s Unidentified Anomalous Phenomena Records Collection, created under the 2024 National Defense Authorization Act. NARA says, “The Records Collection was created as a result of the 2024 National Defense Authorization Act.” Agencies transfer records on a rolling basis, and NARA adds material as it receives it; the collection page is therefore a changing entry point, not a final inventory.
For the statutory scope and transfer process, consult NARA’s guidance for agencies. It describes records relating to UAP, technologies of unknown origin, and non-human intelligence, subject to stated exclusions. The existence of a record in this collection does not mean it documents an unexplained craft or establishes a particular explanation.
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Find older and agency-specific records
NARA’s cross-record-group guide points to related holdings from agencies including the FAA, NASA, CIA, Navy, Defense Department, and Air Force. These are broad collections that may concern investigations, sightings, or reporting; an index entry is not necessarily a report of an unexplained event. Open the linked Catalog description to see what a specific item actually contains.
Choose a format-specific route
Use NARA’s records guides and linked Catalog descriptions to narrow your search by textual and microfilm records, presidential library materials, or moving images and sound recordings. Some audiovisual material may not be available online. Presidential library materials are indexed separately from many agency record groups, so include that route if you are looking for records associated with a president or administration.
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Read Project BLUE BOOK records for the historical Air Force investigation
NARA’s Project BLUE BOOK guide is the direct route to the historical Air Force files. NARA states that the project was declassified, its records are available for examination, and the investigation closed in 1969. Use the guide to understand how the holdings are arranged and to locate the relevant records. BLUE BOOK concerns that historical investigation; it is not a source for sightings or investigations after the project closed.
Use bulk downloads only when you need many files
If you want to process a collection locally rather than open Catalog items one at a time, NARA’s UAP bulk-download page lists eligible digital files and metadata. NARA says the downloadable files are updated at least three times a year, and potentially more often, so check the page for its current date and contents before building a dataset around it. Bulk downloads cover digital objects available in the Catalog; they do not include every related record.
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Know what access to expect
A Catalog record and a downloadable file are not the same thing. Some entries have a description but no digital copy; some material has rights restrictions or requires onsite arrangements. NARA also describes agency review that may result in records being made public, released with redactions, or postponed. Its agency guidance gives October 20, 2024, as the deadline for agencies to review, identify, and organize relevant records for disclosure and transfer. That deadline does not mean every responsive record is now online or unrestricted.
Use AARO as an agency-side entry point, not an archive substitute
The All-domain Anomaly Resolution Office (AARO) maintains a UAP Records page that directs readers to NARA. AARO’s Historical Record Report, Volume I is a government assessment of official U.S. government investigative efforts since 1945. The report says its review consulted classified and unclassified archives and included approximately 30 interviews. Those are the report’s stated methods; they do not establish that every underlying record is public or that every record has been located. Read the report as an agency synthesis, then consult the original record or Catalog description for the evidence behind a particular claim.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Check provenance before drawing conclusions
When you save or cite a document, note the agency, record group, Catalog identifier, document date, and any release or redaction markings. Prefer a primary agency record or Catalog item over a screenshot or a retelling without document details. “Unidentified” means an observation or object was not identified in the relevant record or investigation; that alone does not establish extraterrestrial origin, a cover-up, or any other specific explanation.
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