★Historically significant

A Los Alamos physicist (James L. Tuck) is shown directly corresponding about UAP-related phenomena including green light sightings over the Los Alamos nuclear facility during 1948-1951, with corroboration reportedly filed in Protective Force logs, representing a historically significant but informal record of UAP interest within a sensitive nuclear research environment.

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

Department of EnergyPDFMemoUNCLASSIFIEDLight redactionPURSUE Release 2

4/10

niche or mildly interesting

UAP Insight significance score

Incident date: 1970s
Witnesses: Multiple witnesses
Released: May 22, 2026

UAP Characteristics

? Unknown shapeLuminousErratic movement

Evidence Types

Testimony

Official Description

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

Key Findings

→An unnamed correspondent recalls multiple sightings of green lights over Los Alamos during 1948-1951, typically occurring between 9 and 11 PM in the Jemez Mountains area, and states these were reported to Protective Force Headquarters.
→The same correspondent also recalls five objects flying in formation over Los Alamos in the afternoon, traveling southwest to northwest, witnessed by approximately five or six Protective Force members.
→James L. Tuck wrote to the U.S. Army Engineering School at Fort Belvoir on 16 December 1970 seeking information on large atmospheric vortices as described in the Condon Report ('Scientific Study of Unidentified Flying Objects' by Dr. Edward U. Condon).
→A third correspondent references James M. McCampbell's 1976 book 'UFOLOGY' and its chapter on flight and propulsion, connecting UFO propulsion theory to Einstein's unified field theory research.
→The green light sightings and formation flyover were reportedly logged by the Los Alamos Protective Force, which the correspondent suggests could be referenced for specific dates and times.

UAP Insight Analysis— AI generated, not official

This file contains three personal letters associated with James L. Tuck, a physicist affiliated with Los Alamos National Laboratory. The correspondence includes: (1) a handwritten letter dated 11-23-70 from a redacted sender recalling multiple green light sightings and five objects flying in formation over Los Alamos during 1948-1951; (2) a typed letter dated 16 December 1970 from James L. Tuck to the U.S. Army Engineering School at Fort Belvoir requesting a recipe for simulated atomic bomb demonstrations and expressing interest in large atmospheric vortices as reported in the Condon Report; and (3) an undated letter from a redacted sender referencing ball lightning and UFO propulsion theory from James McCampbell's 1976 book 'UFOLOGY.'

Analyst Notes

These are informal personal letters, not official incident reports; specific dates and times of sightings are not provided by the correspondent, who explicitly states memory limitations. The sender's identity is redacted (b)(6). No sensor data or physical evidence is referenced. The correspondent defers to Protective Force logs for corroboration, which are not included. Tuck's letter to Fort Belvoir concerns atmospheric vortex research connected to the Condon Report, suggesting a scientific rather than anomalous-phenomena-focused inquiry.

Extracted Entities

People

James L. TuckDr. Edward U. CondonJames M. McCampbell

Agencies & Organizations

Los Alamos National Laboratory (implied)U.S. Army Engineering School, Fort BelvoirLos Alamos Protective ForceDepartment of Mechanical and Technical Equipment, Fort Belvoir

Locations

Los AlamosJemez MountainsFort Belvoir, Virginia 22060Mesa Library

Aircraft & Objects

Green lights observed weaving in and out of mountain peaks (1948-1951)

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AI analysis by claude-sonnet-4-6 · May 23, 2026