On May 20, consultations of representatives (experts) of the defense agencies of the CSTO member states aimed at improving air defense and developing the CSTO Collective Aviation Forces were held via videoconference at the CSTO Joint Staff headquarters.
On May 20–21, 2026, a Coordination Meeting of Chief Narcologists of the CSTO member states was held in St. Petersburg within the framework of the Russian Federation’s chairmanship in the Collective Security Treaty Organization.
On May 19, 2026, Acting CSTO Deputy Secretary General Samat Ordabayev met in Vienna with Director of the Division for Operations of the United Nations Office on Drugs and Crime Bo Mathiasen.
On May 19, 2026, an international round table on the topic “CSTO: together for strengthening international peace and stability” was held at the Hofburg Palace in Vienna, Austria, on the sidelines of the OSCE Forum for Security Co-operation in Europe.
On May 18, CSTO Secretary General Talatbek Masadykov, together with the heads of the diplomatic missions of the CSTO member states in Vienna, took part in a solemn wreath and flower-laying ceremony at the monument to the Soviet Liberator Soldier at Schwarzenbergplatz.
The CSTO Secretariat held its first meeting of the Permanent Council in 2026
On 13 January 2026, the Secretariat of the Collective Security Treaty Organization held the first meeting of the CSTO Permanent Council this year.
In accordance with the established rotation procedure, the Permanent and Plenipotentiary Representative of the Russian Federation to the CSTO, Viktor Vasilyev, assumed the chairmanship of the Permanent Council for 2026.
The meeting was attended by the CSTO Secretary General, Talatbek Masadykov. He emphasized the need to complete the coordination of the action plan for the implementation of the decisions adopted at the November 2025 session of the CSTO Collective Security Council, as well as the priority areas of the CSTO’s activities during the chairmanship of the Russian Federation, with a view to their subsequent approval by the Chairman of the CSTO Collective Security Council, Vladimir Putin.
The participants also discussed current issues related to the Organization’s activities in connection with the commencement of the Russian Federation’s chairmanship of the CSTO in 2026.