From June 2 to 4, the Republic of Belarus hosted the second staff talks on the organization and conduct of the CSTO Peacekeeping Forces command-and-staff exercise “Indestructible Brotherhood 2026” and the special exercise “Barrier 2026” involving the CSTO Joint CBRN Protection and Medical Support Formation.
On June 3, 2026, a regular meeting of the CSTO Council of Defense Ministers (CDM) was held at the Patriot Central Park of the Russian Ministry of Defense under the chairmanship of the Russian side. The meeting was attended by CSTO Secretary General Talatbek Masadykov and Chief of the CSTO Joint Staff Andrey Serdyukov.
From June 1 to 3, Saratov (Russian Federation) is hosting a series of events involving the member states of the Collective Security Treaty Organization aimed at strengthening the collective response system to biological threats.
On June 1, 2026, consultations at the deputy foreign minister level of the CSTO member states were held in Moscow.
On May 28, 2026, CSTO Secretary General Talatbek Masadykov took part in the International Security Forum held under the auspices of the Security Council of the Russian Federation. More than 150 delegations from 120 countries participated in the event.
In Kyrgyzstan, a regular meeting of the Committee of Secretaries of the CSTO Security Councils was held
19.06.2025
On June 19, 2025, a regular meeting of the Committee of Secretaries of the Security Councils (CSSC) was held in Cholpon-Ata (the Kyrgyz Republic) under the chairmanship of the Kyrgyz side, which was attended by the Secretary General of the Organization Imangali Tasmagambetov.
The parties have discussed in detail the situation in the CSTO area of responsibility in the context of countering challenges and threats to collective security. Special attention was paid to the implementation of the first stage of the CSTO Special Interstate Policy for strengthening sections of the Tajik-Afghan Border.
It was decided to establish a Working Group under the CSTO CSSC on Information Security issues.
The event participants also reviewed and approved a number of documents related to the planning of military cooperation between the CSTO member states for 2026-2030, the organization of joint training of management bodies and formations of forces and means of the CSTO collective security system, and improving the management of the CSTO Troops (Collective Forces).
