![](https://www.nti.org/wp-content/uploads/2021/09/Cathy_Gwin-400x500.jpg)
Cathy Gwin
Senior Director, Communications
NTI Vice Chairman Des Browne calls on scientists and technical experts to press for CTBT ratification and entry into force at an international meeting in Vienna.
NTI expert John Carlson explores safeguards to verify that nuclear weapons states are complying with treaty obligations in a new paper
The grant will expand the ability to review security for nuclear facilities, identify needed security upgrades, and organize contributions to carry out the upgrades.
Sign up for our newsletter to get the latest on nuclear and biological threats.