US expert on underground nuclear tests held in China for 18 months
- Posted on July 15, 2026
- By CNN
- 1 Views
- 1 min read
A prominent American nuclear scientist specializing in seismic analysis of underground nuclear detonations remains imprisoned in China following espionage allegations. The researcher, whose work focuses on detecting and monitoring clandestine nuclear tests, has been incarcerated for over eighteen months without public resolution. US lawmakers and advocacy groups continue pushing for his release, raising concerns about international scientific collaboration and diplomatic tensions between Washington and Beijing regarding nuclear proliferation monitoring activities.
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