Research Hub/Papers/UAP Indications Analysis 1945-1975: United States Atomic Warfare Complex
Peer-ReviewedOpen Access2025

UAP Indications Analysis 1945-1975: United States Atomic Warfare Complex

Sean Grosvenor, Larry Hancock, Ian Porritt

Limina: The Journal of UAP Studies

Summary

Quantitative analysis of 874 UAP incidents documented near U.S. military atomic facilities between 1945 and 1975, using Project Blue Book and related archival sources. Incidents were categorized across five nuclear site types: materials production, weapons assembly, stockpiles, deployment, and missile testing. The study found statistically elevated UAP activity at atomic facilities compared to conventional military installations, with pattern analysis suggesting possible intelligence gathering, operational obstruction, or deterrence behaviors. The most probable scenario assessed was an 'Atomic Weapons Survey' - deliberate external interest in U.S. nuclear capabilities. The most systematic quantitative treatment of the nuclear-UAP correlation in the published literature.

Abstract

This paper examines unidentified anomalous phenomena reports near U.S. military atomic facilities from 1945 to 1975. Researchers analyzed 590 documented incidents from Project Blue Book and related sources, focusing on five categories of nuclear sites: materials production, weapons assembly, stockpiles, deployment, and missile testing. The study found that intelligent and focused activity was associated with atomic facilities to a greater degree than conventional non-atomic military facilities. Analyzing an additional 284 incidents brought the total to 874 cases. The findings suggest activity patterns indicating possible information collection, obstruction of operations, or aggressive engagement. Four assessment scenarios were evaluated, with an Atomic Weapons Survey emerging as the most probable explanation, followed by general military surveys and aggression prevention scenarios.

Citation

Sean Grosvenor, Larry Hancock, Ian Porritt. (2025). Limina: The Journal of UAP Studies. DOI: 10.59661/001c.131854

https://doi.org/10.59661/001c.131854