Homepage | CTBTO

Russia's last global monitoring system station is installed, sending data

Breaking barriers: CTBTO completes 2nd edition of Mentoring Programme

Enhancing diplomatic engagement: CTBTO's seminar on the Treaty and its mission

OSI Directed Exercises 2023: putting On-Site Inspection capabilities to the test

Nuclear Testing: `Oppenheimer` Shines Light on Manhattan Project Legacy

Our Mission

Ending Nuclear Tests

The Treaty

The Organization

States Signatories

Article XIV Conferences

Our Work

News and Events

Surrogate Inspector Trainees Gain Valuable Insights with new OSI Training Programme

13th Article XIV Conference renews efforts for CTBT's entry into force

Exploring nuclear test detection science with CTBTO at Research Festival

Somalia signs CTBT, “testament to unwavering commitment to peace, security”

Sri Lanka to host next on-site inspection integrated field exercise in 2025

Schedule of sessions

Training and Workshops

This Training Course Is Postponed Until…

Training Course On Ndc Capacity Building:…

19 Feb -08 Mar 2024

Training Course On Ndc Capacity Building: …

15 Apr -26 Apr 2024

Tweets by @CTBTO

Resources

Member States

Researchers & Experts

Civil Society

Media

Information Materials

CTBTO Fact Sheet

International Monitoring System (IMS) Map

Verification Regime Brochure

Civil and Scientific Applications Brochure

On-Site Inspection Brochure

Work With Us

Join CTBTO on our mission to create a world free of nuclear testing. Learn more about employment and business opportunities with the Provisional Technical Secretariat.

Employment Procurement