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PDF · DoWPURSUE Release 01

Department of War PURSUE File

18_6369445_General_1948_Vol_1

6/15/48

Declassified

Editorial summary

I need to verify the document is complete before I provide an answer. The file has been degraded by declassification and age. Let me scan through the complete document to identify the key observable facts, witness accounts, technical details, conclusions, and recommendations.

Key points identified across all pages:

1. Central incident: May 6, 1948, Hobson, Ohio sighting (Pages 2-3) - Four identified witnesses including railroad workers and police - Object described as round, phosphorescent, nine inches diameter from ground - Altitude 6-8 miles, heading 90 degrees, phosphorescent trail - Multiple corroborating reports from related parties

2. March 5-8, 1948 Bakersfield, California incidents (Pages 16, forward references) - Two objects observed falling from unknown source - Described as falling aircraft with smoke and debris - Search parties unable to locate objects - Investigation initiated

3. January 1948 Houston, Texas reports (Pages 20-21) - FBI involvement, forwarded through military channels

4. Administrative framework established (Pages 12-13) - February 6, 1948: Formal policy established for collecting flying disc reports - Air Materiel Command designated as collection agency - All Air Force installations instructed to report directly to Wright-Patterson AFB - Standard form for reports developed including 10 data points

5. Investigation limitations (Pages 17-19) - Proposal to maintain fighter aircraft on alert rejected as unfeasible - Cost-benefit analysis negative - Radar coverage insufficient - Civilian source reports difficult to follow up with military aircraft

6. Interest in Horten Brothers' German flying wing designs (Pages 22-23) - Contact made with designers - European Command directed to interrogate - Reports to be forwarded when received

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In May 1948, military air installations submitted the first formal reports under a newly established Air Force procedure for documenting sightings of unidentified aerial objects. The incident that opened the official file occurred on May 6, 1948, near Hobson, Ohio, when four identified witnesses, including two railroad workers and a city police officer, reported observing a single round object. The witnesses described the object as phosphorescent in color, approximately nine inches in diameter when viewed from ground level, traveling at considerable speed on a heading of ninety degrees at an altitude between six and eight miles. A phosphorescent trail visible in the sky accompanied the object's passage. No sound was reported.

The Hobson sighting arrived at Air Force headquarters accompanied by earlier incident reports, including accounts from Bakersfield, California in early March when two objects described as falling aircraft were observed trailing smoke and debris. Search parties and aircraft dispatched to locate the objects found no evidence of wreckage or additional information. Investigation into that incident had been initiated but produced no conclusive results. A January 1948 report from Houston, Texas was forwarded through FBI channels and military intelligence networks.

These reports were submitted under formal policy guidance issued February 6, 1948, which designated the Air Materiel Command at Wright-Patterson Air Force Base in Dayton, Ohio, as the central collection agency for all sighting reports. The directive instructed all Air Force installations in the United States and Alaska to forward reports directly to this command with standardized information including location, time, witness names and occupations, object characteristics (shape, size, color, speed, altitude, heading, maneuverability, sound signature, and exhaust evidence), photographs if available, and general remarks. A request for similar cooperation was extended to Army installations, with authority granted for Air Materiel Command to contact military units directly when additional information proved necessary.

The policy explicitly stated that the Air Force did not ignore atmospheric sightings and phenomena but recognized collection and evaluation as part of its national security mission. This administration of the reporting system represented a departure from previous practice. Supplementing the bureaucratic framework, some commands proposed that fighter interceptor aircraft be maintained on continuous alert status at Air Force installations nationwide, equipped with gun cameras and armament to photograph and gather technical data on reported anomalies. Department of Plans and Operations rejected this proposal as operationally impractical, citing insufficient radar coverage to enable proper interception, excessive cost relative to probable results, and the difficulty of coordinating military aircraft response to civilian reports that formed the bulk of sightings.

Intelligence channels simultaneously pursued investigation of technological explanations. Contact was established with the Horten Brothers, German aircraft designers, whose work on flying wing configurations attracted official interest. The European Command's assistant chief of staff for intelligence (G2) was directed via telephone to use an interrogation memorandum as the basis for questioning the designers, with results to be forwarded to Air Materiel Command upon receipt.

Editorial summary written by govweird from the declassified document text. The official government description follows below.

Government description

This file contains memorandums, correspondence, and forms related to the reporting of information on flying discs and investigations into sightings.

Caption issued by the U.S. Department of War on war.gov/ufo. Verbatim, unedited.

Originating agency

Department of War

Record type

PDF

Incident date

6/15/48

Incident location

Unspecified

Release tranche

Release 01 (May 8, 2026)

Distribution

Cleared for public release

Original document

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More from DoW

Source: war.gov/ufo · PURSUE Release 01

PURSUE = Presidential Unsealing and Reporting System for UAP Encounters. Records released by the U.S. Department of War on May 8, 2026 are unresolved cases for which the government cannot make a definitive determination, and the Department has invited private-sector analysis.