★Historically significant

Correspondence involves James L. Tuck, a Los Alamos physicist, collecting witness accounts of repeated green light UAP sightings over Los Alamos during 1948-1951 and referencing the Condon Report in connection with atmospheric vortex physics — placing a named nuclear scientist at the center of early Cold War-era UAP interest near a sensitive national laboratory.

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

Department of EnergyPDFMemoLight 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 9pm and 11pm in the Jemez Mountains area, and states these were reported to Protective Force Headquarters.
→The same correspondent recalls a daytime sighting of five objects flying in formation over Los Alamos, traveling from southeast to northwest.
→James L. Tuck wrote to the U.S. Army Engineering School at Fort Belvoir on 16 December 1970 requesting the recipe for simulated atomic bomb demonstrations and expressing interest in large atmospheric vortices described in the Condon Report.
→A third correspondent draws a connection between UFO propulsion theory (referencing James M. McCampbell's 'UFOLOGY,' 1976) and Einstein's unified field theory research.
→The Protective Force logs from Los Alamos during 1948-1951 are cited as potentially containing detailed time and date records of green light sightings.

UAP Insight Analysis— AI generated, not official

This document is a collection of personal correspondence involving James L. Tuck, a physicist affiliated with Los Alamos National Laboratory, dating from the early 1970s. The letters reference witness recollections of green light sightings over Los Alamos during 1948-1951, a daytime formation flight of five objects over Los Alamos, and Tuck's separate inquiry to the U.S. Army Engineering School regarding atmospheric vortices as described in the Condon Report. A fourth letter from an unidentified correspondent references UFO propulsion theory and ball lightning in the context of Einstein's unified field theory.

Analyst Notes

These are informal personal letters, not official incident reports; exact dates of the green light sightings are not recalled by the witness, and no sensor data or official investigation findings are included. The witness explicitly states they cannot fill out a formal sighting form. The five-object formation sighting is described from memory with no contemporaneous documentation provided. Tuck's letter to Fort Belvoir concerns atmospheric vortex physics and is tangentially related to UAP, not a direct UAP report.

Extracted Entities

People

James L. TuckJames M. McCampbellDr. Edward U. Condon

Agencies & Organizations

U.S. Army Engineering School, Fort BelvoirLos Alamos Protective ForceDepartment of Energy

Locations

Los AlamosJemez MountainsFort Belvoir, VirginiaMesa Library

Aircraft & Objects

Green lights observed moving in and out of mountain peaksFive objects flying in formation from southeast to northwest over Los Alamos

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AI analysis by claude-sonnet-4-6 · May 22, 2026