On 3-5 June, the Republic of Belarus hosted the second staff talks on the organization and conduct of the joint trainings with the CSTO Collective Rapid Reaction Forces (CRRF) “Interaction-2025”, special trainings with intelligence forces and means “Search-2025” and logistics “Echelon-2025” conducted as part of the joint operational-strategic training “Combat Brotherhood-2025”.
The CSTO Secretary General I.N. Tasmagambetov met with Ambassador Extraordinary and Plenipotentiary of the People's Republic of China to the Russian Federation Zhang Hanhui
On 27-30 May, in the city of St. Petersburg, on the basis of the Mikhailovsky Military Artillery Academy, a training and methodological meeting was held with the heads of the CSTO basic training and research organizations to coordinate joint training of military personnel and scientific work.
On 28 May 2025 in Bishkek, Chairman of the CSTO Collective Security Council, President of the Kyrgyz Republic Sadyr Japarov received the participants of the meeting of the Council of Defense Ministers of the Organization, held with the participation of CSTO Secretary General Imangali Tasmagambetov and Chief of the CSTO Joint Staff Colonel General Andrei Serdyukov.
On May 28, 2025, a regular meeting of the CSTO Council of Defense Ministers was held in Bishkek under the chairmanship of the Kyrgyz side. The event was attended by Secretary General Imangali Tasmagambetov and Colonel General Andrei Serdyukov, Chief of the Organization's Joint Staff.
The Council of the CSTO Parliamentary Assembly held an external meeting in Bishkek

On May 19, 2025 in Bishkek, under the chairmanship of the Kyrgyz side, a meeting of the Council of the CSTO Parliamentary Assembly was held, during which the Secretary General of the Organization Imangali Tasmagambetov made a report on the theme: “On the implementation of decisions (November 2024) session of the CSTO SCS and measures taken to counter challenges and threats to collective security”.
The representatives of the national parliaments discussed in detail the military and political situation in the CSTO area of responsibility and considered the issues of unifying the legislation of the member states regulating the issues of countering challenges and threats to collective security.