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The Collective Security Treaty Organization (CSTO, ) is an intergovernmental
military alliance A military alliance is a formal Alliance, agreement between nations that specifies mutual obligations regarding national security. In the event a nation is attacked, members of the alliance are often obligated to come to their defense regardless ...
in
Eurasia Eurasia ( , ) is a continental area on Earth, comprising all of Europe and Asia. According to some geographers, Physical geography, physiographically, Eurasia is a single supercontinent. The concept of Europe and Asia as distinct continents d ...
consisting of six
post-Soviet states The post-Soviet states, also referred to as the former Soviet Union or the former Soviet republics, are the independent sovereign states that emerged/re-emerged from the dissolution of the Soviet Union in 1991. Prior to their independence, they ...
:
Armenia Armenia, officially the Republic of Armenia, is a landlocked country in the Armenian Highlands of West Asia. It is a part of the Caucasus region and is bordered by Turkey to the west, Georgia (country), Georgia to the north and Azerbaijan to ...
,
Belarus Belarus, officially the Republic of Belarus, is a landlocked country in Eastern Europe. It is bordered by Russia to the east and northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Belarus spans an a ...
,
Kazakhstan Kazakhstan, officially the Republic of Kazakhstan, is a landlocked country primarily in Central Asia, with a European Kazakhstan, small portion in Eastern Europe. It borders Russia to the Kazakhstan–Russia border, north and west, China to th ...
,
Kyrgyzstan Kyrgyzstan, officially the Kyrgyz Republic, is a landlocked country in Central Asia lying in the Tian Shan and Pamir Mountains, Pamir mountain ranges. Bishkek is the Capital city, capital and List of cities in Kyrgyzstan, largest city. Kyrgyz ...
,
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
, and
Tajikistan Tajikistan, officially the Republic of Tajikistan, is a landlocked country in Central Asia. Dushanbe is the capital city, capital and most populous city. Tajikistan borders Afghanistan to the Afghanistan–Tajikistan border, south, Uzbekistan to ...
. The Collective Security Treaty has its origins in the
Soviet Armed Forces The Armed Forces of the Union of Soviet Socialist Republics, also known as the Armed Forces of the Soviet Union, the Red Army (1918–1946) and the Soviet Army (1946–1991), were the armed forces of the Russian Soviet Federative Socialist Republi ...
, 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. Former members of the CSTO military alliance were
Azerbaijan Azerbaijan, officially the Republic of Azerbaijan, is a Boundaries between the continents, transcontinental and landlocked country at the boundary of West Asia and Eastern Europe. It is a part of the South Caucasus region and is bounded by ...
,
Georgia Georgia most commonly refers to: * Georgia (country), a country in the South Caucasus * Georgia (U.S. state), a state in the southeastern United States Georgia may also refer to: People and fictional characters * Georgia (name), a list of pe ...
and
Uzbekistan , image_flag = Flag of Uzbekistan.svg , image_coat = Emblem of Uzbekistan.svg , symbol_type = Emblem of Uzbekistan, Emblem , national_anthem = "State Anthem of Uzbekistan, State Anthem of the Republ ...
. Similar to
Article 5 of the North Atlantic Treaty The North Atlantic Treaty, also known as the Washington Treaty, forms the legal basis of, and is implemented by, the North Atlantic Treaty Organization (NATO). The treaty was signed in Washington, D.C., on 4 April 1949. Background The treat ...
and the
Inter-American Treaty of Reciprocal Assistance The Inter-American Treaty of Reciprocal Assistance (commonly known as the Rio Treaty, the Rio Pact, the Treaty of Reciprocal Assistance, or by the Spanish-language acronym TIAR from ''Tratado Interamericano de Asistencia Recíproca'') is an inter ...
, 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.


Activities


Military exercises

The CSTO holds yearly military command exercises for the CSTO nations to have an opportunity to improve inter-organizational cooperation. The largest of such exercises was held in Southern Russia and central Asia in 2011, consisting of more than 10,000 troops and 70 combat aircraft.


Operational procedures

Similar to
NATO The North Atlantic Treaty Organization (NATO ; , OTAN), also called the North Atlantic Alliance, is an intergovernmental organization, intergovernmental Transnationalism, transnational military alliance of 32 Member states of NATO, member s ...
, the CSTO maintains a Parliamentary Assembly. CSTO employs a "rotating presidency" system in which the country leading the CSTO alternates every year. In order to deploy military bases of a third country in the territory of the CSTO member-states, it is necessary to obtain the official consent of all its members.


Peacekeeping force

The Collective Security Treaty Organization (CSTO) maintains a peacekeeping force that has been deployed to areas of conflict, including Tajikistan and Kyrgyzstan. The force is composed of troops from member states and is designed to provide stability and security in the region. On 6 October 2007, CSTO members agreed to a major expansion of the organization that would create a CSTO peacekeeping force that could deploy under a
United Nations The United Nations (UN) is the Earth, global intergovernmental organization established by the signing of the Charter of the United Nations, UN Charter on 26 June 1945 with the stated purpose of maintaining international peace and internationa ...
mandate or without one in its member states. The expansion would also allow all members to purchase Russian weapons at the same price as Russia. In January 2022, the CSTO deployed 2,000 of its peacekeepers to
Kazakhstan Kazakhstan, officially the Republic of Kazakhstan, is a landlocked country primarily in Central Asia, with a European Kazakhstan, small portion in Eastern Europe. It borders Russia to the Kazakhstan–Russia border, north and west, China to th ...
to quell the local unrest.


Collective Rapid Reaction Force

On 4 February 2009, an agreement to create the Collective Rapid Reaction Force (KSOR) (Russian: Коллекти́вные си́лы операти́вного реаги́рования (КСОР)) was reached by five of the seven members, with plans finalized on 14 June. The force is intended to be used to repulse military aggression, conduct anti-terrorist operations, fight
transnational crime Transnational crimes are crimes that have actual or potential effect across national borders and crimes that are intrastate but offend fundamental values of the international community. The term is commonly used in the law enforcement and academic ...
and drug trafficking, and neutralize the effects of natural disasters. Retrieved on 24 November 2009 Belarus and Uzbekistan initially refrained from signing on to the agreement. Belarus did so because of a trade dispute with Russia, and Uzbekistan due to general concerns. Belarus signed the agreement the following October, while Uzbekistan has never done so. A source in the Russian delegation said Uzbekistan would not participate in the collective force on a permanent basis but would "delegate" its detachments to take part in operations on an ''
ad hoc ''Ad hoc'' is a List of Latin phrases, Latin phrase meaning literally for this. In English language, English, it typically signifies a solution designed for a specific purpose, problem, or task rather than a Generalization, generalized solution ...
'' basis. On 3 August 2009, the
Ministry of Foreign Affairs In many countries, the ministry of foreign affairs (abbreviated as MFA or MOFA) is the highest government department exclusively or primarily responsible for the state's foreign policy and relations, diplomacy, bilateral, and multilateral r ...
of
Uzbekistan , image_flag = Flag of Uzbekistan.svg , image_coat = Emblem of Uzbekistan.svg , symbol_type = Emblem of Uzbekistan, Emblem , national_anthem = "State Anthem of Uzbekistan, State Anthem of the Republ ...
criticized plans by
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
to establish a military base in southern
Kyrgyzstan Kyrgyzstan, officially the Kyrgyz Republic, is a landlocked country in Central Asia lying in the Tian Shan and Pamir Mountains, Pamir mountain ranges. Bishkek is the Capital city, capital and List of cities in Kyrgyzstan, largest city. Kyrgyz ...
for the CSTO rapid reaction force, stating,


History


Foundation

On 15 May 1992, six post-Soviet states belonging to the
Commonwealth of Independent States The Commonwealth of Independent States (CIS) is a regional organization, regional intergovernmental organization in Eurasia. It was formed following the dissolution of the Soviet Union, dissolution of the Soviet Union in 1991. It covers an ar ...
— Russia, Armenia, Kazakhstan, Kyrgyzstan, Tajikistan, and Uzbekistan—signed the Collective Security Treaty (also referred to as the Tashkent Pact or Tashkent Treaty). Three other post-Soviet states—Azerbaijan, Belarus, and Georgia—acceded in 1993 and the treaty took effect in 1994. The CST was set to last for a 5-year period unless extended. On 2 April 1999, six of the nine—all but Azerbaijan, Georgia, and Uzbekistan—agreed to renew the treaty for five more years. At the same time, Uzbekistan joined the
GUAM Guam ( ; ) is an island that is an Territories of the United States, organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. Guam's capital is Hagåtña, Guam, Hagåtña, and the most ...
group, established in 1997 by Georgia,
Ukraine Ukraine is a country in Eastern Europe. It is the List of European countries by area, second-largest country in Europe after Russia, which Russia–Ukraine border, borders it to the east and northeast. Ukraine also borders Belarus to the nor ...
, Azerbaijan, and
Moldova Moldova, officially the Republic of Moldova, is a Landlocked country, landlocked country in Eastern Europe, with an area of and population of 2.42 million. Moldova is bordered by Romania to the west and Ukraine to the north, east, and south. ...
, and largely seen as intending to counter Russian influence in the region. The CSTO was founded in 2002 when the six member states agreed to create the ''Collective Security Treaty Organization'' as a military alliance. As an attempt to develop a successor alliance to the
Warsaw Pact The Warsaw Pact (WP), formally the Treaty of Friendship, Co-operation and Mutual Assistance (TFCMA), was a Collective security#Collective defense, collective defense treaty signed in Warsaw, Polish People's Republic, Poland, between the Sovi ...
, the CSTO is comparatively weak.


2003 to 2012

In 2004 the CSTO was granted Observer status in the UN General Assembly. During 2005, the CSTO partners conducted some common
military exercise A military exercise, training exercise, maneuver (manoeuvre), or war game is the employment of military resources in Military education and training, training for military operations. Military exercises are conducted to explore the effects of ...
s. Uzbekistan withdrew from GUAM in 2005 and joined the CSTO in 2006 as a full member and its membership was later ratified by the Uzbek parliament on 28 March 2008. In October 2007, the CSTO signed an agreement with the
Shanghai Cooperation Organisation The Shanghai Cooperation Organisation (SCO) is a Eurasian politics, political, economy, economic, international security and Defence (military), defence organization of ten member states. It was established in 2001 by the China, People's Republic ...
(SCO), in the Tajik capital of
Dushanbe Dushanbe is the Capital city, capital and largest city of Tajikistan. , Dushanbe had a population of 1,564,700, with this population being largely Tajiks, Tajik. Until 1929, the city was known in Russian as Dyushambe, and from 1929 to 1961 as St ...
, to broaden cooperation on issues such as security, crime, and drug trafficking. On 6 October 2007, CSTO members agreed to a major expansion of the organization that would create a CSTO peacekeeping force that could deploy under a U.N. mandate or without one in its member states. The expansion would also allow all members to purchase Russian weapons at the same price as Russia. On 29 August 2008, Russia announced it would seek CSTO recognition of the independence of
Abkhazia Abkhazia, officially the Republic of Abkhazia, is a List of states with limited recognition, partially recognised state in the South Caucasus, on the eastern coast of the Black Sea, at the intersection of Eastern Europe and West Asia. It cover ...
and
South Ossetia South Ossetia, officially the Republic of South Ossetia or the State of Alania, is a landlocked country in the South Caucasus with International recognition of Abkhazia and South Ossetia, partial diplomatic recognition. It has an offici ...
. Three days earlier, on 26 August, Russia recognized the independence of Georgia's breakaway regions of Abkhazia and South Ossetia. In 2009, Belarus boycotted the CSTO summit due to their Milk War with Russia. After refusing to attend a CSTO summit in 2009, Lukashenko said: "Why should my men fight in Kazakhstan? Mothers would ask me why I sent their sons to fight so far from Belarus. For what? For a unified energy market? That is not what lives depend on. No!" After Kurmanbek Bakiyev was ousted from office as President of Kyrgyzstan as a result of
riots A riot or mob violence is a form of civil disorder commonly characterized by a group lashing out in a violent public disturbance against authority, property, or people. Riots typically involve destruction of property, public or private. The p ...
in
Kyrgyzstan Kyrgyzstan, officially the Kyrgyz Republic, is a landlocked country in Central Asia lying in the Tian Shan and Pamir Mountains, Pamir mountain ranges. Bishkek is the Capital city, capital and List of cities in Kyrgyzstan, largest city. Kyrgyz ...
in April 2010, he was granted asylum in
Belarus Belarus, officially the Republic of Belarus, is a landlocked country in Eastern Europe. It is bordered by Russia to the east and northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Belarus spans an a ...
. Belarusian President
Alexander Lukashenko Alexander Grigoryevich Lukashenko (also transliterated as Alyaksandr Ryhoravich Lukashenka; born 30 August 1954) is a Belarusian politician who has been the first and only president of Belarus since the office's establishment in 1994, making hi ...
expressed doubt about the future of the CSTO for failing to prevent Bakiyev's overthrow, stating: "What sort of organization is this one, if there is bloodshed in one of our member states and an anticonstitutional coup d'état takes place, and this body keeps silent?" Lukashenko had previously accused
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
of punishing
Belarus Belarus, officially the Republic of Belarus, is a landlocked country in Eastern Europe. It is bordered by Russia to the east and northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Belarus spans an a ...
with economic sanctions after Lukashenko's refusal to recognize the independence of
Abkhazia Abkhazia, officially the Republic of Abkhazia, is a List of states with limited recognition, partially recognised state in the South Caucasus, on the eastern coast of the Black Sea, at the intersection of Eastern Europe and West Asia. It cover ...
and
South Ossetia South Ossetia, officially the Republic of South Ossetia or the State of Alania, is a landlocked country in the South Caucasus with International recognition of Abkhazia and South Ossetia, partial diplomatic recognition. It has an offici ...
, stating: "The economy serves as the basis for our common security. But if Belarus's closest CSTO ally is trying ... to destroy this basis and de facto put the Belarusians on their knees, how can one talk about consolidating collective security in the CSTO space?" During a trip to
Ukraine Ukraine is a country in Eastern Europe. It is the List of European countries by area, second-largest country in Europe after Russia, which Russia–Ukraine border, borders it to the east and northeast. Ukraine also borders Belarus to the nor ...
to extend Russia's lease of the Crimean port
Sevastopol Sevastopol ( ), sometimes written Sebastopol, is the largest city in Crimea and a major port on the Black Sea. Due to its strategic location and the navigability of the city's harbours, Sevastopol has been an important port and naval base th ...
in return for discounted natural gas supplies, Russian President
Dmitry Medvedev Dmitry Anatolyevich Medvedev (born 14 September 1965) is a Russian politician and lawyer who has served as Deputy Chairman of the Security Council of Russia since 2020. Medvedev was also President of Russia between 2008 and 2012 and Prime Mini ...
was asked about whether
Belarus Belarus, officially the Republic of Belarus, is a landlocked country in Eastern Europe. It is bordered by Russia to the east and northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Belarus spans an a ...
could expect a similar deal and responded: "Real partnership is one thing and a declaration of intentions is another; reaching agreement on working seriously, meeting each other halfway, helping each other is one thing and making decisions about granting permanent residence to people who have lost their job is another." The Belarusian President defended himself against this criticism by citing former Russian President
Vladimir Putin Vladimir Vladimirovich Putin (born 7 October 1952) is a Russian politician and former intelligence officer who has served as President of Russia since 2012, having previously served from 2000 to 2008. Putin also served as Prime Minister of Ru ...
's invitation of Askar Akayev to Russia after he was ousted as President of Kyrgyzstan during the 2005
Tulip Revolution The Tulip Revolution, also known as the First Kyrgyz Revolution, led to Kyrgyzstan's then-President of Kyrgyzstan, President Askar Akayev's fall from power. The revolution began after Kyrgyz parliamentary elections, 2005, parliamentary elections ...
. The following month, President Medvedev ordered the CEO of Russia's natural gas monopoly
Gazprom PJSC Gazprom ( rus, Газпром, , ɡɐsˈprom) is a Russian State-owned enterprise, majority state-owned multinational Energy industry, energy corporation headquartered in the Lakhta Center in Saint Petersburg. The Gazprom name is a contract ...
to cut gas supplies to Belarus in a dispute over outstanding debts. Subsequently, the Russian television channel NTV, run by
Gazprom PJSC Gazprom ( rus, Газпром, , ɡɐsˈprom) is a Russian State-owned enterprise, majority state-owned multinational Energy industry, energy corporation headquartered in the Lakhta Center in Saint Petersburg. The Gazprom name is a contract ...
, aired a documentary film which compared Lukashenko to Bakiyev. Then the Russian President's foreign policy adviser Sergei Prikhodko threatened to publish the transcript of a CSTO meeting where Lukashenko said that his administration would recognize Abkhazian and South Ossetian independence. In June 2010, ethnic clashes broke out between ethnic Kyrgyz and
Uzbeks The Uzbeks () are a Turkic peoples, Turkic ethnic group native to Central Asia, being among the largest Turkic ethnic groups in the area. They comprise the majority population of Uzbekistan, next to Kazakhs, Kazakh and Karakalpaks, Karakalpak ...
in southern Kyrgyzstan, leading interim Kyrgyz President Roza Otunbayeva to request the assistance of Russian troops to quell the disturbances. Kurmanbek Bakiyev denied charges that his supporters were behind the ethnic conflict and called on the CSTO to intervene. Askar Akayev also called for the CSTO to send troops, saying: "Our priority task right now should be to extinguish this flame of enmity. It is very likely that we will need CSTO peacekeepers to do that." The organization was considered by some a " paper tiger" since it failed to intervene. Russian President
Dmitry Medvedev Dmitry Anatolyevich Medvedev (born 14 September 1965) is a Russian politician and lawyer who has served as Deputy Chairman of the Security Council of Russia since 2020. Medvedev was also President of Russia between 2008 and 2012 and Prime Mini ...
said that "only in the case of a foreign intrusion and an attempt to externally seize power can we state that there is an attack against the CSTO", and that, "all the problems of Kyrgyzstan have internal roots", while CSTO Secretary General Nikolai Bordyuzha called the violence "purely a domestic affair". Later, however, Bordyuzha admitted that the CSTO response may have been inadequate and claimed that "foreign mercenaries" provoked the Kyrgyz violence against ethnic Uzbek minorities. On 21 July 2010, interim Kyrgyz President Roza Otunbayeva called for the introduction of CSTO police units to southern
Kyrgyzstan Kyrgyzstan, officially the Kyrgyz Republic, is a landlocked country in Central Asia lying in the Tian Shan and Pamir Mountains, Pamir mountain ranges. Bishkek is the Capital city, capital and List of cities in Kyrgyzstan, largest city. Kyrgyz ...
saying: "I think it's important to introduce CSTO police forces there, since we're unable to guarantee people's rights on our own." She also added: "I'm not seeking the CSTO's embrace and I don't feel like bringing them here to stay but the bloodletting there will continue otherwise." Only weeks later the deputy chairman of Otubayeva's interim Kyrgyz government complained that their appeals for help from the CSTO had been ignored. The CSTO was unable to agree on providing military assistance to
Kyrgyzstan Kyrgyzstan, officially the Kyrgyz Republic, is a landlocked country in Central Asia lying in the Tian Shan and Pamir Mountains, Pamir mountain ranges. Bishkek is the Capital city, capital and List of cities in Kyrgyzstan, largest city. Kyrgyz ...
at a meeting in
Yerevan Yerevan ( , , ; ; sometimes spelled Erevan) is the capital and largest city of Armenia, as well as one of the world's List of oldest continuously inhabited cities, oldest continuously inhabited cities. Situated along the Hrazdan River, Yerev ...
,
Armenia Armenia, officially the Republic of Armenia, is a landlocked country in the Armenian Highlands of West Asia. It is a part of the Caucasus region and is bordered by Turkey to the west, Georgia (country), Georgia to the north and Azerbaijan to ...
, which was attended by Roza Otunbayeva as well as
Alexander Lukashenko Alexander Grigoryevich Lukashenko (also transliterated as Alyaksandr Ryhoravich Lukashenka; born 30 August 1954) is a Belarusian politician who has been the first and only president of Belarus since the office's establishment in 1994, making hi ...
. On 10 December 2010, the member states approved a declaration establishing a CSTO peacekeeping force and a declaration of the CSTO member states, in addition to signing a package of joint documents. Since 21 December 2011, the Treaty parties can veto the establishment of new foreign military bases in the member states of the Collective Security Treaty Organization (CSTO). On 28 June 2012, Uzbekistan submitted a notification to the CSTO to suspended its membership. In December 2012, the CSTO Collective Security Council decided to suspend Uzbekistan.


2013 to 2022

In August 2014, 3,000 soldiers from the members of Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia and Tajikistan participated in psychological and
cyber warfare Cyberwarfare is the use of cyber attacks against an enemy state, causing comparable harm to actual warfare and/or disrupting vital computer systems. Some intended outcomes could be espionage, sabotage, propaganda, manipulation or economic ...
exercises in Kazakhstan under war games managed by CSTO. On 19 March 2015, the CSTO Secretary General Nikolai Bordyuzha offered to send a
peacekeeping Peacekeeping comprises activities, especially military ones, intended to create conditions that favor lasting peace. Research generally finds that peacekeeping reduces civilian and battlefield deaths, as well as reduces the risk of renewed w ...
mission to
Donbas The Donbas (, ; ) or Donbass ( ) is a historical, cultural, and economic region in eastern Ukraine. The majority of the Donbas is occupied by Russia as a result of the Russo-Ukrainian War. The word ''Donbas'' is a portmanteau formed fr ...
, Ukraine. "The CSTO has a peacekeeping capacity. Our peacekeepers continuously undergo corresponding training. If such a decision is taken by the United Nations, we stand ready to provide peacekeeping units". In July 2021, CSTO Secretary-General Stanislav Zas was criticized by Armenian politicians for calling an incursion by Azerbaijani forces onto Armenian territory a "border incident", where the CSTO remained inactive during the conflict. In July 2021, Tajikistan appealed to members of CSTO for help in dealing with security challenges emerging from neighboring
Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan, is a landlocked country located at the crossroads of Central Asia and South Asia. It is bordered by Pakistan to the Durand Line, east and south, Iran to the Afghanistan–Iran borde ...
. Thousands of Afghans, including police and government troops, fled to Tajikistan after
Taliban , leader1_title = Supreme Leader of Afghanistan, Supreme leaders , leader1_name = {{indented plainlist, * Mullah Omar{{Natural Causes{{nbsp(1994–2013) * Akhtar Mansour{{Assassinated (2015–2016) * Hibatullah Akhundzada (2016–present) ...
insurgents took control of many parts of Afghanistan. On 5 January 2022, CSTO peacekeepers were announced to be deployed to Kazakhstan in response to anti-government unrest in the country. On 11 January the same year, CSTO forces began their withdrawal from Kazakhstan. Since the start of the Russian invasion of Ukraine in February 2022 there has been no CSTO involvement or official participation of other CSTO members in the conflict, apart from
Belarus Belarus, officially the Republic of Belarus, is a landlocked country in Eastern Europe. It is bordered by Russia to the east and northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Belarus spans an a ...
which agreed to house Russian troops which then attacked Ukraine from across its border. Following the
2023 Ukrainian counteroffensive In early June 2023, during the Russian invasion of Ukraine, Ukraine launched a Counter-offensive, counteroffensive against Russian forces Russian-occupied territories of Ukraine, occupying its territory with a goal of breaching the front lines ...
, the border between Ukraine and Belarus was cleared of Russian forces.


2023 to present

Relations between
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
and
Kazakhstan Kazakhstan, officially the Republic of Kazakhstan, is a landlocked country primarily in Central Asia, with a European Kazakhstan, small portion in Eastern Europe. It borders Russia to the Kazakhstan–Russia border, north and west, China to th ...
have deteriorated since the start of Russia's invasion of Ukraine. The latter has refused to recognise the
Donetsk Donetsk ( , ; ; ), formerly known as Aleksandrovka, Yuzivka (or Hughesovka), Stalin, and Stalino, is an industrial city in eastern Ukraine located on the Kalmius River in Donetsk Oblast, which is currently occupied by Russia as the capita ...
and the
Luhansk Luhansk (, ; , ), also known as Lugansk (, ; , ), is a city in the Donbas in eastern Ukraine. As of 2022, the population was estimated to be making Luhansk the Cities in Ukraine, 12th-largest city in Ukraine. Luhansk served as the administra ...
People's Republics. After the start of renewed fighting between Armenia and former member Azerbaijan on 13 September 2022, Armenia triggered Article 4 of the treaty, and a CSTO mission including CSTO Secretary General Stanislav Zas and Anatoly Sidorov was sent to monitor the situation along the border. Similar events also took place near the Kyrgyzstan–Tajikistan border throughout 2022. After the CSTO mission took a rather uncommitted position in the conflict, criticism towards CSTO membership inside Armenian political circles increased, with the secretary of the Security Council of Armenia,
Armen Grigoryan Armen Grigoryan (, ) is a singer/songwriter, artist, and the front man (and main songwriter) of " Krematorij" (''Crematorium'') Russian rock-band. Biography Armen Grigoryan was born on November 24, 1960, in Moscow to Armenian parents. During sc ...
, even stating that he saw no more hope for the CSTO. The lack of Russian support during the conflict prompted a national debate in Armenia, as an increasing percentage of the population indicated doubt as to whether it is beneficial to continue CSTO membership, calling for realignment of the state with NATO instead. This coincided with a visit from
Speaker of the United States House of Representatives The speaker of the United States House of Representatives, commonly known as the speaker of the House or House speaker, is the Speaker (politics), presiding officer of the United States House of Representatives, the lower chamber of the United ...
Nancy Pelosi Nancy Patricia Pelosi ( ; ; born March 26, 1940) is an American politician who was the List of Speakers of the United States House of Representatives, 52nd speaker of the United States House of Representatives, serving from 2007 to 2011 an ...
to Yerevan on 17 September 2022, largely seen as an effort to reorient the security alliance structure of Armenia. To discuss the results of the CSTO mission sent on 15 September 2022, an extraordinary session of the CSTO was held via videoconference on 28 October 2022. With the leaders of all member states and CSTO Secretary General Stanislav Zas in attendance, the meeting was chaired by Armenian Prime Minister
Nikol Pashinyan Nikol Vovayi Pashinyan (born 1 June 1975) is an Armenian politician who is serving as the 16th and current Prime Minister of Armenia, prime minister of Armenia since 8 May 2018. A journalist by profession, Pashinyan founded his own newspaper in ...
, who concurred with the report presented by the Secretary General while also reiterating the importance for a clear political assessment of Azerbaijani aggression and a roadmap for the restoration of Armenian territorial integrity. A regular Collective Security Council meeting took place on 23 November 2022 with the leaders of all CSTO members present to discuss matters of international and regional security. After Pashinyan refused to sign the joint declaration because it did not "reach a decision on a CSTO response to Azerbaijan's aggression against Armenia", speculation arose regarding the continuation of the CSTO. Secretary General Stanislas Zas indicated that, though numerous measures in the diplomatic as well as military spheres were generally agreed upon, no consensus regarding the situation on the border could be reached. On the occasion of the meeting and in the midst of the
2022 Russian invasion of Ukraine On 24 February 2022, , starting the largest and deadliest war in Europe since World War II, in a major escalation of the Russo-Ukrainian War, conflict between the two countries which began in 2014. The fighting has caused hundreds of thou ...
, Belarusian President
Alexander Lukashenko Alexander Grigoryevich Lukashenko (also transliterated as Alyaksandr Ryhoravich Lukashenka; born 30 August 1954) is a Belarusian politician who has been the first and only president of Belarus since the office's establishment in 1994, making hi ...
stated that many in their countries had started to discuss the possibility that the CSTO may cease to exist if Russia loses its war in Ukraine. He later expanded on his opinion on the matter, stating that the CSTO will continue on and nobody will fall, if there is unity. Meanwhile, during the meeting in
Yerevan Yerevan ( , , ; ; sometimes spelled Erevan) is the capital and largest city of Armenia, as well as one of the world's List of oldest continuously inhabited cities, oldest continuously inhabited cities. Situated along the Hrazdan River, Yerev ...
, large groups of protestors gathered and called for the withdrawal of Armenia from the CSTO and for the country to develop closer relations with the United States and the West. In the aftermath of the meeting, the US think tank The National Interest released an analysis on the current state of the CSTO, concluding that, while the alliance is in a fragile state, only few other nations could fill the void created by a possible Russian exit and step in as a power broker in the region. Economic dependencies between the member states have also increased since the start of the invasion and would dissuade the alliance from splitting up. The diplomatic friction continued into January 2023, after Pashinyan refused to hold common military drills, because the organization did not unequivocally condemn Azerbaijan over its perceived aggression. In response, Dmitry Peskov, the Press Secretary of the President of Russia, stated that Armenia remains a very close ally and promised to continue the dialogue. To mend their ties,
Sergey Lavrov Sergey Viktorovich Lavrov (, ; born 21 March 1950) is a Russian diplomat who has served as Minister of Foreign Affairs (Russia), Minister of Foreign Affairs since 2004. He is the longest-serving Russian foreign minister since Andrei Gromyko d ...
offered the deployment of a CSTO mission along the Armenia-Azerbaijan border on 2 February 2023 within one or two days, "if our Armenian allies, friends are still interested in it like before". In May 2023, after the conflict between Armenia and Azerbaijan escalated, the Armenian Prime Minister
Nikol Pashinyan Nikol Vovayi Pashinyan (born 1 June 1975) is an Armenian politician who is serving as the 16th and current Prime Minister of Armenia, prime minister of Armenia since 8 May 2018. A journalist by profession, Pashinyan founded his own newspaper in ...
said that Armenia could consider withdrawing from the treaty due to the lack of support from Russia in the conflict. In an interview with CNN broadcast on 1 June 2023, Pashinyan stated that "Armenia is not an ally of Russia in the war in Ukraine". On 3 September 2023, during an interview, Armenian prime minister Nikol Pashinyan stated that it was a strategic mistake for Armenia to solely rely on Russia to guarantee its security. Pashinyan stated, "Moscow has been unable to deliver and is in the process of winding down its role in the wider South Caucasus region" and "the Russian Federation cannot meet Armenia's security needs. This example should demonstrate to us that dependence on just one partner in security matters is a strategic mistake." Pashinyan accused Russian peacekeepers deployed to uphold the ceasefire deal of failing to do their job. Pashinyan confirmed that Armenia was trying to diversify its security arrangements, most notably with the European Union and the United States. During the September 2023 Armenian protests that began following the
2023 Azerbaijani offensive in Nagorno-Karabakh Between 19 and 20 September 2023, Azerbaijan launched a large-scale military offensive against the political status of Nagorno-Karabakh, self-declared breakaway state of Republic of Artsakh, Artsakh, a move seen as a violation of the 2020 Nago ...
, demonstrators surrounded the Russian embassy in Yerevan criticizing Russia's refusal to intervene in the offensive. Some protesters called for the rejection of the Alma-Ata Protocol, and Armenia's withdrawal from the CSTO. Armenia declined participating in military exercises at the CIS summit in Kyrgyzstan in October 2023 and asked for Russian peacekeeping forces to return to Russia. The Prime Minister of Armenia, Nikol Pashinyan, went further in late October saying he saw "no advantage" in the presence of Russian troops in Armenia. , approximately 10,000 Russian troops were stationed in
Gyumri Gyumri (, ) is an urban municipal community and the List of cities and towns in Armenia, second-largest city in Armenia, serving as the administrative center of Shirak Province in the northwestern part of the country. By the end of the 19th centur ...
. On 23 February 2024, Armenian Prime Minister, Nikol Pashinyan, confirmed that Armenia had frozen its participation in the CSTO. Pashinyan stated, "We have now in practical terms frozen our participation in this treaty" and "membership of the CSTO was under review" during a live broadcast interview. On 28 February 2024, during a speech made in the
National Assembly In politics, a national assembly is either a unicameral legislature, the lower house of a bicameral legislature, or both houses of a bicameral legislature together. In the English language it generally means "an assembly composed of the repr ...
, Pashinyan further stated that the CSTO is "a threat to the national security of Armenia". Responding to Pashinyan's remarks, Dmitri Peskov stated that the CSTO charter does not include provisions for a "frozen membership" status. On 12 March, Pashinyan said that the CSTO needed to clarify "what constitutes Armenia's sovereign territory", as the organization had not come to Armenia's defence when requested following Azerbaijani troops crossing the border into Armenia's internationally recognized territory. Pashinyan said that if the CSTO's response did not align with Armenia's expectations, the country would officially withdraw from the organization. On 8 May 2024, Armenia announced it had stopped making financial contributions to the CSTO, leading Russia to state that it was still obligated to pay its membership dues. On 12 June 2024, Armenia announced that it would formally withdraw from the alliance at an unspecified later date, with Pashinyan stating, "We will leave. We will decide when to exit...Don't worry, we won't return". A July 2024 Gallup opinion poll noted a 7% increase in support for Armenia's membership in NATO, with 29% of respondents believing Armenia should strive for NATO membership. Meanwhile, support for Armenia's membership in the CSTO decreased by 10%, with only 16.9% believing Armenia should maintain its membership in the CSTO. On 6 August 2024, the Ukrainian Armed Forces launched an incursion into
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
's
Kursk Oblast Kursk Oblast (, ) is a federal subjects of Russia, federal subject of Russia (an oblast). Its administrative center is the types of inhabited localities in Russia, city of Kursk. As of the 2021 Russian census, 2021 census, Kursk Oblast had a pop ...
and clashed with the
Russian Armed Forces The Armed Forces of the Russian Federation, commonly referred to as the Russian Armed Forces, are the military of Russia. They are organized into three service branches—the Russian Ground Forces, Ground Forces, Russian Navy, Navy, and Russi ...
and Russian border guard. On 17 August 2024, it was reported that CSTO countries have neither supported nor condemned the Ukrainian invasion of Russia. On 4 December 2024, during parliamentary discussions in the National Assembly, Armenian Prime Minister Nikol Pashinyan stated that "we already consider ourselves outside the CSTO" and "I believe we have crossed the point of no return" in regards to Armenia's membership status in the CSTO.


Membership


Member states

Map showing the CSTO members, observers and associated members. Includes the Russian-occupied territories of Ukraine, the Russian-occupied territories in Georgia, and the breakaway republic
Transnistria Transnistria, officially known as the Pridnestrovian Moldavian Republic and locally as Pridnestrovie, is a Landlocked country, landlocked Transnistria conflict#International recognition of Transnistria, breakaway state internationally recogn ...
. Member states of the Collective Security Treaty Organization:


Former member states


Non-member observer states in the CSTO Parliamentary Assembly

The National Assembly of the Republic of Serbia and the Wolesi Jirga (lower house) of the National Assembly of the Islamic Republic of Afghanistan were accorded
observer status Observer status is a privilege granted by some organizations to non-members to give them an ability to participate in the organization's activities. Observer status is often granted by intergovernmental organizations (IGO) to non-member parties and ...
in the CSTO Parliamentary Assembly in 2013, though the Islamic Republic collapsed in 2021 as the Taliban took over. Also, the Parliamentary Assembly of the Union of Belarus and Russia has observer status in the CSTO Parliamentary Assembly.


Potential membership

In May 2007, the CSTO secretary general Nikolai Bordyuzha suggested
Iran Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the nort ...
could join the CSTO saying, "The CSTO is an open organization. If Iran applies in accordance with our charter, we will consider the application". If Iran joined it would be the first state outside the former Soviet Union to become a member of the organization. In 2021, Uzbekistan, after becoming observer to EAEU on 11 December 2020, conducted a bilateral military exercise with Russia and trilateral military exercise with Russia and Tajikistan, while its president joined a CSTO meeting as a guest, sparking rumours about potential reentry into CSTO.


Structure

The current secretary general is former Kazakh Prime Minister Imangali Tasmagambetov, who took office on 1 January 2023.


Policy agenda


Information technology and cyber security

The member states adopted measures to counter
cyber security Computer security (also cybersecurity, digital security, or information technology (IT) security) is a subdiscipline within the field of information security. It consists of the protection of computer software, systems and networks from thr ...
threats and information technology crimes in a Foreign Ministers Council meeting in Minsk, Belarus. Foreign Minister Abdrakhmanov put forward a proposal to establishing a Cyber Shield system.


Military personnel

''The following list is sourced from the 2020 edition of "The Military Balance" published annually by the
International Institute for Strategic Studies The International Institute for Strategic Studies (IISS) is an international research institute or think tank focusing on defence and security issues. Since 1997, its headquarters have been at Arundel House in London. It has offices on four co ...
.''


See also

*
Soviet Armed Forces The Armed Forces of the Union of Soviet Socialist Republics, also known as the Armed Forces of the Soviet Union, the Red Army (1918–1946) and the Soviet Army (1946–1991), were the armed forces of the Russian Soviet Federative Socialist Republi ...
*
Commonwealth of Independent States The Commonwealth of Independent States (CIS) is a regional organization, regional intergovernmental organization in Eurasia. It was formed following the dissolution of the Soviet Union, dissolution of the Soviet Union in 1991. It covers an ar ...
(CIS) *
Community for Democracy and Rights of Nations The Community for Democracy and Rights of Nations, also commonly and colloquially known as the Commonwealth of Unrecognized States, rarely as CIS-2, is an international organization in Eastern Europe and the South Caucasus of three breakaway ...
* Eurasian Economic Community (EURASEC) *
Eurasian Economic Union The Eurasian Economic Union (EAEU or EEU)EAEU is the acronym used on thorganisation's website However, many media outlets use the acronym EEU. is an economic union of five post-Soviet states located in Eurasia. The EAEU has an integrated single ...
(EAEU) * GUAM Organization for Democracy and Economic Development (GUAM) *
Military alliance A military alliance is a formal Alliance, agreement between nations that specifies mutual obligations regarding national security. In the event a nation is attacked, members of the alliance are often obligated to come to their defense regardless ...
*
North Atlantic Treaty Organization The North Atlantic Treaty Organization (NATO ; , OTAN), also called the North Atlantic Alliance, is an intergovernmental transnational military alliance of 32 member states—30 European and 2 North American. Established in the aftermat ...
(NATO) *
Post-Soviet states The post-Soviet states, also referred to as the former Soviet Union or the former Soviet republics, are the independent sovereign states that emerged/re-emerged from the dissolution of the Soviet Union in 1991. Prior to their independence, they ...
*
Shanghai Cooperation Organisation The Shanghai Cooperation Organisation (SCO) is a Eurasian politics, political, economy, economic, international security and Defence (military), defence organization of ten member states. It was established in 2001 by the China, People's Republic ...
(SCO) *
Southeast Asia Treaty Organization The Southeast Asia Treaty Organization (SEATO) was an international organization for collective defense in Southeast Asia created by the Southeast Asia Collective Defense Treaty signed in September 1954 in Manila, Philippines. The formal insti ...
(SEATO) *
Warsaw Pact The Warsaw Pact (WP), formally the Treaty of Friendship, Co-operation and Mutual Assistance (TFCMA), was a Collective security#Collective defense, collective defense treaty signed in Warsaw, Polish People's Republic, Poland, between the Sovi ...
* Armenia–CSTO relations


Notes


References


Bibliography

* * * *


External links


CSTO Official Site



Official Site of the Parliamentary Assembly of the CSTO

The Charter of the CSTO
{{DEFAULTSORT:Collective Security Treaty Organisation 20th-century military alliances 21st-century military alliances Intergovernmental organizations established by treaty International military organizations Military of Armenia Military of Belarus Military of Kazakhstan Military of Kyrgyzstan Military of Russia Military of Tajikistan Multilateral relations of Russia Post-Soviet states Organizations established in 1994 1994 establishments in Russia 1994 establishments in Asia 1994 establishments in Europe United Nations General Assembly observers Military alliances involving Armenia Military alliances involving Belarus Military alliances involving Kazakhstan Military alliances involving Kyrgyzstan Military alliances involving Russia Military alliances involving Tajikistan