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Thomas G. DiNanno

Thomas G. DiNanno

Under Secretary of State for Arms Control and International Security

Appears in 1 story

Notable Quotes

"The U.S. government is aware that China has conducted nuclear explosive tests, including preparing for tests with designated yields in the hundreds of tons." — UN Conference on Disarmament, February 6, 2026

Stories

US accuses China of secret nuclear test at Lop Nur

Force in Play

Active; leading US nuclear diplomacy

No country has acknowledged conducting a nuclear test since 1998. But on February 6, 2026, the United States accused China of secretly breaking that taboo—claiming Beijing detonated a nuclear device at its Lop Nur test site in June 2020 and masked the explosion using underground caverns that muffle seismic waves.

Updated Feb 18