UAP events · The 1940s

UAP events in 1948

2 events in the archive

Every documented UAP event from 1948 in the Disclosure Archives record — hearings, document releases, official reports, named witness testimony, and major civilian sightings. Sorted newest to oldest within the year; each entry links to a primary source.

Every event from 1948

Document Release

Featured

1948–1950

Sandia, New Mexico: 209 'green orbs, discs, and fireballs' over a nuclear-weapons facility

A 116-page joint file from the U.S. Air Force and the Armed Forces Special Weapons Program — the Manhattan Project's nuclear-weapons custodial successor — documenting 209 sightings of 'green orbs,' discs, and fireballs maneuvering near the Sandia, New Mexico custodial nuclear-weapons installation between 1948 and 1950. Released in full as part of PURSUE Release 02; some sighting locations contained recovered copper powder.

Sandia Base, New Mexico — United States#U.S. Air Force #Cold War #Multiple Witnesses #Department of War

Sighting

January 7, 1948

Capt. Thomas Mantell killed in F-51 crash while pursuing an unidentified object

Kentucky Air National Guard pilot Capt. Thomas Mantell is killed when his P-51 Mustang crashes during the pursuit of a large, slow-moving object reported above Godman Field. The Air Force eventually attributes the object to a Skyhook research balloon.

Godman Field, Kentucky — United States#U.S. Air Force #Cold War #Project Blue Book

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