Comprehensive Test Ban Treaty (CTBT)

The United States will uphold its leadership in non-proliferation by refraining from unnecessary and destabilizing nuclear tests.

Bilateral and multilateral mechanisms are disintegrating amid tech advances, and “grey zones” below military conflict thresholds are ripe for exploitation.

Any US efforts that undermine key treaties would erode the global nonproliferation regime that advances the safety of civil nuclear technologies.

Resuming testing provides no strategic benefit and would undermine a treaty that has curbed the spread of nuclear weapons for more than 50 years.

Some Trump administration officials have signaled hostility to the Comprehensive Test Ban Treaty and an interest in the United States resuming nuclear weapon testing, which could…