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FILE 013 // PUBLIC RECORD

Project BLUE BOOK

The longest-running U.S. Air Force program created to collect, investigate and evaluate reports of unidentified flying objects.

Mr. Need To Know
YEARS1952–1969
AGENCIES
U.S. Air Force
LOCATIONWright-Patterson Air Force Base, Ohio
TOPICAerial Investigation

DOCUMENTATION CONFIDENCE

Moderate

Official records document the subject, but the available material contains unresolved questions, contested interpretations, incomplete data, or a limited number of primary sources.

CASE OVERVIEW

Project BLUE BOOK: What the public record documents

For seventeen years, the U.S. Air Force officially investigated thousands of reports of unidentified objects in the sky.

EXECUTIVE SUMMARY

The public record identifies Project BLUE BOOK as a aerial investigation matter associated with U.S. Air Force during 1952–1969. The longest-running U.S. Air Force program created to collect, investigate and evaluate reports of unidentified flying objects.

For seventeen years, the U.S. Air Force officially investigated thousands of reports of unidentified objects in the sky.

The longest-running U.S. Air Force program created to collect, investigate and evaluate reports of unidentified flying objects.

The linked source set contains 2 official or primary archival records. Together, these materials establish the responsible organizations, the relevant time period, the reported location, and the official findings or historical conclusions summarized in this file.

Where the underlying records contain allegations, witness statements, preliminary leads, or unresolved observations, this archive identifies them as claims or unresolved material rather than established fact. The appearance of a statement in a government file does not by itself prove that the statement is accurate.

KEY FINDINGS

Documented time period: 1952–1969.

Primary organizations or record holders: U.S. Air Force.

Principal location: Wright-Patterson Air Force Base, Ohio.

Archive topic: Aerial Investigation.

DOCUMENT ANALYSIS

DOCUMENT 01

National Archives — Project BLUE BOOK

Official archival or primary-source record

Establishes archival provenance, release history, and the official record collection available to the public.

OPEN DOCUMENT ↗
DOCUMENT 02

National Archives — Blue Book 50th anniversary

Official archival or primary-source record

Establishes archival provenance, release history, and the official record collection available to the public.

OPEN DOCUMENT ↗

SOURCE DOCUMENTS

National Archives — Project BLUE BOOKOfficial or primary archival source used to document this file.OPEN SOURCE ↗National Archives — Blue Book 50th anniversaryOfficial or primary archival source used to document this file.OPEN SOURCE ↗