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CTBT

The Comprehensive Nuclear-Test-Ban Treaty — the international agreement banning all nuclear explosions. The U.S. has signed but not ratified the CTBT, and incidents involve moves toward resuming nuclear testing.

Related incidents

1 incident

Trump Orders Pentagon to Resume Nuclear Weapons Testing, Breaking 33-Year Moratorium

Trump directed the Pentagon to match other nations' nuclear testing programs, breaking a moratorium that has held since 1992 and threatening to collapse the global norm against nuclear testing that …

  • On October 30, 2025, Trump publicly directed the Pentagon to resume nuclear weapons testing, stating the US should match 'other countries' …
  • The US has not conducted a live nuclear weapons test since 1992, when President George H.W. Bush imposed a unilateral testing moratorium. No …