Where can these records be accessed?

They are described in the National Archives Catalog, and this archive links to that catalog entry. This archive does not host or read the underlying documents, so the catalog entry is the place to view the series details and any digitized materials.

How does this series relate to Project Blue Book?

The series spans 1948 to 1968, overlapping the Air Force's organized UFO study programs of that era: Project Sign (1948), Project Grudge (1949), and Project Blue Book (1952 to 1969). This particular series concerns records relating to the Office of Special Investigations; its specific scope is detailed in the National Archives Catalog entry.

Records of Investigations of UFOs Relating to the Office of Special Investigations, 1948–1968 — NARA Record Group 341

NARA Collection landing 1940s Official link verified

Summary

A National Archives Catalog series of U.S. Air Force records documenting investigations of unidentified flying objects relating to the Office of Special Investigations, 1948 to 1968. Part of Record Group 341. The archive links to the National Archives entry only.

This series comprises records of investigations of unidentified flying objects relating to the U.S. Air Force Office of Special Investigations, spanning 1948 to 1968. It is held within Record Group 341 (Records of Headquarters U.S. Air Force, the Air Staff) at the National Archives. The 1948 to 1968 span overlaps the period of the Air Force's organized UFO study programs, which began with Project Sign in 1948, continued as Project Grudge in 1949, and ran as Project Blue Book from 1952 until its termination on December 17, 1969. This archive links to the National Archives Catalog entry for the series and does not self-host or read the underlying documents. For the specific scope, arrangement, and contents of the records, consult the National Archives Catalog entry directly. The National Archives also maintains a broader UAP research topic page as a portal to U.S. Government records on the subject.

Common questions

What is the Records of Investigations of UFOs Relating to the Office of Special Investigations series?: It is a series of U.S. Air Force records documenting investigations of unidentified flying objects relating to the Office of Special Investigations, covering 1948 to 1968. It is part of Record Group 341 (Records of Headquarters U.S. Air Force, the Air Staff) at the National Archives.
Where can these records be accessed?: They are described in the National Archives Catalog, and this archive links to that catalog entry. This archive does not host or read the underlying documents, so the catalog entry is the place to view the series details and any digitized materials.
How does this series relate to Project Blue Book?: The series spans 1948 to 1968, overlapping the Air Force's organized UFO study programs of that era: Project Sign (1948), Project Grudge (1949), and Project Blue Book (1952 to 1969). This particular series concerns records relating to the Office of Special Investigations; its specific scope is detailed in the National Archives Catalog entry.

Source & Classification

Agency: National Archives and Records Administration (NARA) →
Record type: Collection landing
Decade: 1940s
Review status: published
Publication status: published

Official source link

https://catalog.archives.gov/id/45484701

Documents are linked to official source pages; copyright and license notes are recorded per source. This archive does not embed PDFs or videos.

Topics

Records collection

Cite this record

National Archives and Records Administration (NARA). "Records of Investigations of UFOs Relating to the Office of Special Investigations, 1948–1968 — NARA Record Group 341". 1940s. Official source: https://catalog.archives.gov/id/45484701. Cataloged by the independent UAP Records Archive (not an official or government source): https://uap-archive.org/uap/records/nara-rg341-osi-ufo-investigations/.

BibTeX

@misc{uaprecords_nara-rg341-osi-ufo-investigations,
  title  = {Records of Investigations of UFOs Relating to the Office of Special Investigations, 1948–1968 — NARA Record Group 341},
  author = {National Archives and Records Administration (NARA)},
  year   = {1940s},
  howpublished = {Official source: https://catalog.archives.gov/id/45484701},
  note   = {Cataloged by the independent UAP Records Archive — not an official or government source},
  url    = {https://uap-archive.org/uap/records/nara-rg341-osi-ufo-investigations/}
}

Evidence

License note (source-level)

U.S. Government records (U.S. Air Force), generally public domain under 17 U.S.C. §105; held in NARA Record Group 341 (Records of Headquarters U.S. Air Force (Air Staff)). Referenced via the official National Archives Catalog entry only; not self-hosted by this archive.

Archivist note

This series comprises records of investigations of unidentified flying objects relating to the U.S. Air Force Office of Special Investigations, 1948–1968. The series is part of Record Group 341 (Records of Headquarters U.S. Air Force (Air Staff)). This archive links to the official National Archives Catalog entry and does not self-host the records.

Uncertainty / Limits

Archive state (this release)

Record status: Official link verified
Review status: published
Publication status: published
Archive URL: Not archived in U3
Local copy: Not stored in U3
Summary: Not published
Translation: Not published

U3 does not download or locally store source files.

Translation

Translation: not published in this release.