The Nuclear-UFO Pattern: Clustering Around Atomic Sites, Investigations, and Uncertainty

To the point

Unidentified flying object reports tend to cluster near nuclear and other critical sites, and while studies show an association, there is no proven cause and much of the pattern may come from increased surveillance and reporting rather than aliens.

wikipedia.org

UFO reports and atomic sites - Wikipedia

Across decades, unidentified aerial phenomena have consistently clustered around nuclear facilities and other strategically important sites, with historical incidents and research suggesting a real association but most explanations attributing the pattern to surveillance bias, misinterpretation, or mundane causes rather than extraterrestrial activity, leaving causation unresolved.