CTBTO Executive Secretary makes first visit to China Read More Enhancing diplomatic engagement: CTBTO's seminar on the Treaty and its mission Read More OSI Directed Exercises 2023: putting On-Site Inspection capabilities to the test Read More Exploring nuclear test detection science with CTBTO at Research Festival Read More Nuclear Testing: `Oppenheimer` Shines Light on Manhattan Project Legacy Read More Previous Next Our Mission See all Ending Nuclear Tests The Treaty The Organization States Signatories Article XIV Conferences Our Work Learn More News and Events See all 13th Article XIV Conference renews efforts for CTBT's entry into force Read More Somalia signs CTBT, “testament to unwavering commitment to peace, security” Read More Sri Lanka to host next on-site inspection integrated field exercise in 2025 Read More CTBTO head pays tribute to Hiroshima and Nagasaki atomic bombing victims Read More Previous Next Schedule of sessions Training and Workshops This Training Course Is Postponed Until… Ndc Training Course - Ndc Waveform Analyst… 06 Nov -01 Dec 2023 Technical Training Programme For… 15 Nov -17 Nov 2023 Tweets by @CTBTO Resources See all Member States Researchers & Experts Civil Society Media Information Materials See all 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