Collective Security Treaty Organization

Collective Security Treaty Organization
Организация Договора о коллективной безопасности
AbbreviationCSTO
Formation
  • 14 February 1992 (as the Unified Armed Forces)
  • 15 May 1992 (as Collective Security Treaty)
  • 7 October 2002 (as Collective Security Treaty Organization)
TypeMilitary alliance
HeadquartersMoscow, Russia
Location
Region served
Eastern Europe, Caucasus, Central Asia, Northern Asia
Membership
6 members
3 former members
1 observer
1 former observer
Official language
Russian
Imangali Tasmagambetov
Chairman
Alexander Lukashenko
Websiteodkb-csto.org

The Collective Security Treaty Organization (CSTO)[note 3] is an intergovernmental military alliance in Eurasia consisting of six post-Soviet states: Armenia,[note 1] Belarus, Kazakhstan, Kyrgyzstan, Russia, and Tajikistan, formed in 2002. The Collective Security Treaty has its origins in the Soviet Armed Forces, which was replaced in 1992 by the United Armed Forces of the Commonwealth of Independent States, and was then itself replaced by the successor armed forces of the respective independent states.

Similar to Article 5 of the North Atlantic Treaty and the Inter-American Treaty of Reciprocal Assistance, Article 4 of the Collective Security Treaty (CST) establishes that an aggression against one signatory would be perceived as an aggression against all. The 2002 CSTO charter reaffirmed the desire of all participating states to abstain from the use or threat of force. Signatories are prohibited from joining other military alliances.[5]

  1. ^ "Putin did not talk with Pashinyan about Armenia's CSTO membership — Kremlin". TASS. 23 February 2024. Kremlin spokesperson "The Armenian side did not take any official actions in this regard."
  2. ^ "Armenia's Membership In Russian-Led Defense Bloc 'Frozen'". azatutyun.am. RFE/RL. 23 February 2024. Pashinyan: "We have, in effect, frozen our participation in the CSTO."
  3. ^ Cite error: The named reference :6 was invoked but never defined (see the help page).
  4. ^ "Multilateral Treaty on collective security. Concluded at Tashkent on 15 May 1992. Correction of 18 May 1995 of the above-mentioned Treaty. Correction of 9 October 1995 of the above-mentioned Treaty" (PDF). Archived (PDF) from the original on 9 January 2022.
  5. ^ Obydenkova, Anastassia (23 November 2010). "Comparative regionalism: Eurasian cooperation and European integration. The case for neofunctionalism?". Journal of Eurasian Studies. 2 (2): 91. doi:10.1016/j.euras.2011.03.001. S2CID 153643844.


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