Phenomenon type
Nuclear-site adjacent
Observed near nuclear-weapons infrastructure: Pantex, Los Alamos, Sandia, Malmstrom, Cheyenne Mountain, Kirtland, etc.
4 cases in the archive
- DoD · 2022-02-15 · unresolvedColorado Springs UAP, Cheyenne Mountain
February 15, 2022 sighting over Cheyenne Mountain near Colorado Springs. Subject described as a potato-shaped object with creamy or whitish opalescent color. Released June 12, 2026 with a formal Intelligence Community As...
- OTHER · 2015-06-15 · unresolvedPantex nuclear-weapons plant UAP intrusion
Department of Energy report documenting a 2015 UAP intrusion over the Pantex nuclear-weapons assembly and disassembly plant near Amarillo, Texas. Officers observed an object with no sound and no visible propulsion system...
- OTHER · 1949-02-16 · unresolvedLos Alamos green fireballs conference
Transcript of the February 16, 1949 conference at Los Alamos Scientific Laboratory at which physicists attempted to explain the green fireballs observed over New Mexico nuclear-weapons sites in late 1948 and early 1949. ...
- OTHER · 1948-12-01 · unresolvedDOE files, Sandia / Pajarito / PANTEX, 1948-1950
Three previously classified Department of Energy files covering 1948 to 1950 sightings near the United States' core nuclear weapons sites (Sandia, Los Alamos / Pajarito, and PANTEX). Released through PURSUE Release 02 on...