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PDF · DOEPURSUE Release 02

Department of War PURSUE File

DOE-UAP-D002, James Tuck Correspondence, 1970s

1970s

Declassified

Editorial summary

James Tuck, a physicist affiliated with Los Alamos National Laboratory, exchanged letters in the 1970s with colleagues about unidentified anomalous phenomena. According to the file, Tuck was interested in atmospheric effects that might relate to UAP sightings.

In one letter, Tuck requested technical information about simulated atomic blast conditions from a contact at the U.S. Army Engineering School. He noted a particular interest in large atmospheric vortices, or spinning air masses, which he believed were produced during certain phenomena. He cited a scientific study by Dr. Edward U. Condon on unidentified flying objects as part of his research.

A colleague later sent Tuck comments on UAP-related topics, including notes on lightning and a reference to a 1976 book on UFO studies. The correspondent appeared to support Tuck's theoretical interests, particularly regarding unified field theory, a physics concept that attempts to explain how different forces in nature work together. The file shows that physicists at government labs were correspondents with researchers exploring unconventional explanations for unusual phenomena during this period.

The file is heavily redacted, and no conclusion or formal finding appears in the available text.

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

Government description

Personal correspondence to and from James Tuck, a Los Alamos National Laboratory-affiliated physicist, regarding his interest in unidentified anomalous phenomena circa 1970s.

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

Originating agency

Department of Energy

Record type

PDF

Incident date

1970s

Incident location

Unspecified

Release tranche

Release 02 (May 8, 2026)

Distribution

Cleared for public release

Original document

PDF hosted by war.gov. If the embedded viewer fails to load, open the file directly.

More from DOE

Source: war.gov/ufo · PURSUE Release 02

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.