Chemical weapon proliferation

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Many nations continue to research and/or stockpile chemical weapon agents despite numerous efforts to reduce or eliminate them. Most states have joined the Chemical Weapons Convention (CWC), which required the destruction of all chemical weapons by 2012. Twelve nations have declared chemical weapons production facilities and six nations have declared stockpiles of chemical weapons. All of the declared production facilities have been destroyed or converted for civilian use after the treaty went into force.

Contents

CWC states with declared stockpiles

Of the 190 nations that signed the CWC, states listed below have also declared stockpiles and agreed to monitored disposal and verification. In some cases, chemical weapons were used in conflict. Both military targets and civilian populations have been affected. As of 2023, only North Korea is confirmed to have remaining stockpiles of chemical weapons. [1]

Details by state

Countries with known or possible chemical weapons, as of 2021
NationCW Possession[ citation needed ]Signed CWCRatified CWC
Albania Eliminated, 2007January 14, 1993 [2] May 11, 1994 [2]
China ProbableJanuary 13, 1993April 4, 1997
Egypt ProbableNoNo
India Eliminated, 2009January 14, 1993September 3, 1996
Iran PossibleJanuary 13, 1993November 3, 1997
Iraq Eliminated, 2018January 13, 2009February 12, 2009
Israel ProbableJanuary 13, 1993 [3] No
Japan ProbableJanuary 13, 1993September 15, 1995
Libya Eliminated, 2014NoJanuary 6, 2004
(acceded)
Myanmar (Burma)PossibleJanuary 14, 1993 [3] July 8, 2015 [4]
North Korea KnownNoNo
Pakistan ProbableJanuary 13, 1993November 27, 1997
Russia Eliminated, 2017January 13, 1993November 5, 1997
Serbia
and Montenegro 		ProbableNoApril 20, 2000
(acceded)
Sudan PossibleNoMay 24, 1999
(acceded)
Syria KnownNoSeptember 14, 2013
(acceded)
Taiwan Possiblen/an/a
United States Eliminated, 2023 [5] January 13, 1993April 25, 1997
Vietnam PossibleJanuary 13, 1993September 30, 1998

Albania

Albania, as a party of the Chemical Weapons Convention, declared a stockpile of 16 tons of chemical weapons in 2007. On July 11, 2007, with the help of the U.S. government's Nunn–Lugar Cooperative Threat Reduction program, the Ministry of Defence announced the successful destruction of the entire stockpile.

Angola

Angola has been accused of using chemical weapons in its civil war. [6]

China

According to the testimony from Assistant Secretary of State for Intelligence and Research Carl W. Ford before the Senate Committee on Foreign Relations, it is very probable that China has an advanced chemical warfare program. This includes research and development, production, and weaponization capabilities. The United States is concerned by China's contact and willingness to share chemical weapons expertise with other states of proliferating concern, including Syria and Iran. Chinese government did declare that they had a small arsenal of chemical weapons in the past but that it was destroyed before the ratifying convention. They declared only two former chemical production facilities that may have produced mustard gas and Lewisite. [7]

Cuba

According to a United Nations finding, that cited suspicious residue affecting plant and animal life[ when? ] during the Cuban intervention in Angola, sarin and VX was used against Angolan militants by the Cuban Army. [8]

Egypt

Egypt did not sign the Chemical Weapons Convention and has been appearing on various lists as having an offensive chemical weapons capability and is thought to have production facilities for sarin, VX, mustard gas and phosgene. Before the Egypt–Israel peace treaty of 1979, the country played a pivotal role exporting chemical weapons and related technologies to other Arab countries. It is possible that Egypt may still have limited stockpiles of chemical bombs, rockets and shells.

There are numerous reasons for this belief:

In testimony before the Subcommittee on Seapower: Strategic and Critical Materials in 1991, US Navy Rear Admiral Thomas Brooks cited this evidence in identifying Egypt as a "probable" country to have chemical weapons.

Recent analyses are more careful estimating the current status of a chemical weapons program in Egypt. Only one facility has been identified as "likely involved" in the offensive activities. Although the offensive program may be still in existence, it does not seem that Egypt has a considerable stockpile of operational weapons. [10]

Ethiopia

In 1991 Rear Admiral Thomas Brooks identified Ethiopia before congress as a "probability" to have chemical weapons possession. Ethiopia did ratify with the CWC in 1996 and did not declare an offensive CW program. From that time no evidence has been presented to contradict this statement.

India

On January 14, 1993, India became one of the original nations to sign the CWC. India declared its stock of chemical weapons in June 1997 which included 1044 tonnes of sulfur mustard in their possession. [11] [12]

In 2005, of the six nations that declared stockpiles of chemical weapons, India was the only one to meet their deadline for the destruction of chemical weapons and inspection of its facilities by the OPCW. By the end of 2006, India had destroyed more than 75 percent of its chemical weapons and material stockpile. They were granted an extension to destroy the remainder until April 2009. Hopes was that India would destroy 100 percent within that time frame. [12] On May 14, 2009, India informed the United Nations that they had completely destroyed their stockpile of chemical weapons. [13] [14]

Iran

Near the end of the Iran–Iraq War, Iran was suspected to have made limited use of chemical weapons in response to multiple chemical attacks by Iraq. The delivery vehicles Iran supposedly had in their possession included artillery shells, mortars, rockets and aerial bombs.

According to the Center for Strategic and International Studies, a Washington D.C. based think tank, Iran currently has at least two major facilities for the research and production of chemical weapons. Iran began their production of nerve agents no later than 1994. The accuracy of these claims has not been verified. [15]

Iran signed the Chemical Weapons Convention on January 13, 1993, and ratified it on November 3, 1997. They deny allegations of having a clandestine CW program in violation of CWC. In the official declaration submitted to OPCW, the Iranian government admitted that it produced mustard gas in 1980s but ceased the offensive program and destroyed stockpiles of operational weapons after the end of the war with Iraq. [16]

Iraq

An Iranian soldier wearing a gas mask during the Iran-Iraq War. Iraq massively used chemical weapons during Iran-Iraq War. Chemical weapon1.jpg
An Iranian soldier wearing a gas mask during the Iran–Iraq War. Iraq massively used chemical weapons during Iran–Iraq War.

Well before Operation Desert Storm or the U.N. inspections that followed it, Iraq had already begun to build chemical weapons. After launching a research effort in the 1970s, Iraq was able to use chemical weapons in their war against Iran and to kill large numbers of their own Kurdish population in the 1980s. On June 28, 1987, in Sardasht, during two separate attacks on four residential areas, an estimated as 10 civilians were killed and 650 civilians injured. [17] Iraq used an excessive amount of chemical weapons during Iran–Iraq War. Kurdish people were victims of chemical weapons. Iraq used mustard gas in an attack against Kurdish people on March 16, 1988, during the Halabja chemical attack. The attack killed between 3,200 and 5,000 people and injured 7,000 to 10,000 more, most of them civilians. During Iraqi chemical attacks against Iran, many Iranian military forces were killed by nerve agents. At the time, the attacks were actively supported by the United States. [18]

During the first Gulf War, there were fears that Iraq would launch chemical-tipped missiles at its neighbors, particularly Israel, but Iraq refrained for fear of U.S. retaliation. During Operation Iraqi Freedom, coalition troops again feared they might be hit with chemical weapons, though this did not happen.

In 1991, as part of the 1991 Gulf War ceasefire agreement, the United Nations passed Resolution 687 that established the Special Commission (UNSCOM). The UNSCOM was charged with the task of destroying, removing or rendering harmless "all chemical and biological weapons and all stocks of agents and all related subsystems and components and all research, development, support and manufacturing facilities."

By the time UNSCOM left Iraq in December 1998, it had destroyed a large portion of Iraq's chemical weapon potential. UNSCOM had overseen the destruction or incapacitation of more than 88,000 filled or unfilled chemical munitions, over 600 tons of weaponized or bulk chemical agents, 4,000 tons of precursor chemicals, 980 pieces of key production equipment and 300 pieces of analytical equipment. Notwithstanding these extraordinary achievements, the uncertainties regarding Iraq's possession of chemical weapons, their precursors and munitions remain.

The Organisation for the Prohibition of Chemical Weapons that oversee destruction measures, announced that "The government of Iraq has deposited their accession to the Chemical Weapons Convention with the Secretary General of the United Nations and within 30 days, on 12 February 2009, will become the 186th State to the Convention". [19] [20] Iraq also declared stockpiles of CW. Because of their recent accession, will be the only State Party exempted from the destruction time-line. [21] On September 7, 2011, Hoshyar Zebari entered the OPCW headquarters, becoming the first Iraqi Foreign Minister to officially visit since the country joined the CWC. [22]

Israel

In 2015, Israel signed but did not ratify the Chemical Weapons Convention. According to the Russian Federation Foreign Intelligence Service, Israel has significant stores of chemical weapons they manufactured themselves. They have a highly developed chemical and petrochemical industry, skilled specialists and stocks of source material. They are capable of producing several nerve, blister and incapacitating weapons. A 2005 report from the Swedish Defence Research Agency concluded that Israel is probably not actively producing "traditional" chemical weapons but may have a functional stockpile of previously produced material. [23] Assessment of Israeli chemical weapons capabilities were redacted from declassified U.S. documents. [23]

Although Israel did sign the CWC, they have not ratified the treaty and therefore is not officially bound by its tenets. [24] Beliefs are that Israel has a significant stockpile of chemical weapons, likely to be the most abundant in the Middle-East according to the Russian Foreign Intelligence Service.[ citation needed ] A 1983 CIA report stated that Israel, after "finding itself surrounded by front-line Arab states with budding chemical weapon capabilities, became increasingly conscious of its vulnerability to chemical attack ... undertook a program of chemical warfare preparations in both offensive and protective areas ... In late 1982, a probable CW nerve agent production facility and a storage facility were identified at the Dimona Sensitive Storage Area in the Negev Desert. Other CW agent production is believed to exist within a well-developed Israeli chemical industry." [25]

In 1974, in a hearing before the U.S. Senate Armed Services Committee, General Almquist stated that Israel had an offensive chemical weapons capability.

In 1992, El Al Flight 1862 bound for Tel Aviv crashed outside Amsterdam. During the course of the crash investigation, fifty gallons of dimethyl methylphosphonate was found in the plane's cargo. Dimethyl methylphosphonate is a CWC schedule 2 chemical that can be used in the production of the nerve agent sarin. The dimethyl methylphosphonate was bound for the Israel Institute for Biological Research in Ness Ziona, a top-secret military installation outside Tel Aviv. The facility was also responsible for producing the poison used in a September 1997 assassination attempt on a leader of the Palestinian militant organization Hamas (Khaled Mashal). According to Israeli officials, the substance was destined for defensive research purposes, to test filters for gas masks. This shipment came from a US chemical plant to the IIBR under a US Department of Commerce license. [26]

The 1993 the U.S. Congress Office of Technology Assessment WMD proliferation assessment recorded Israel as a country known to have undeclared offensive chemical warfare capabilities. [27]

In October 1998, the London Sunday Times reported that Israeli F-16 fighters were equipped to carry chemical weapons and that their crews have been trained on the use of such weapons.

Japan

Japanese Special Naval Landing Forces wearing gas masks and rubber gloves during a chemical attack near Zhabei in the Battle of Shanghai. Japanese Special Naval Landing Forces in Battle of Shanghai 1937.jpg
Japanese Special Naval Landing Forces wearing gas masks and rubber gloves during a chemical attack near Zhabei in the Battle of Shanghai.

Japan both used and stored chemical weapons on the territory of mainland China between 1937 and 1945. [29] They left approximately two million tons of chemical weapons in China at the end of the war. [30] The weapons mostly contained a mustard gas-lewisite mixture. [31] They are classified as abandoned chemical weapons under the CWC. The destruction of the weapons under a joint Japan-China program started in September 2010, in Nanjing using mobile destruction facilities. [32]

During December 1993, Japan signed the Chemical Weapons Convention and ratified the CWC in 1995. The JSDF does have chemical weapon facilities and samples to use in the development of protection against chemical weapons. The JGSDF Central NBC protection Troop admitted having samples of sarin in 1995.

Libya

Libya produced limited quantities of chemical weapons during the 1980s and is known to have used these weapons in combat at least once when they attempted to use chemical weapons against Chadian troops in 1987.[ citation needed ]

Since then, Libya constructed what is believed to be the largest chemical weapon production facility in the developing world in the Rabta industrial complex. This facility was the cornerstone of the Libyan CW program and has produced mustard gas, sarin, and phosgene since production began in the late 1980s. In March 1990 a suspicious fire broke out there following accusations by the United States. [33]

Strict United Nations sanctions from 1992 to 1999 rendered Rabta inactive.

Libya used chemical weapons, under Muammar Gaddafi's regime, in a war with Chad. In 2003, Gaddafi agreed to accede to the CWC in exchange for "rapprochement" with western nations. At the time of the Libyan uprising against Gaddafi, Libya still controlled approximately 11.25 tons of poisonous mustard gas. Because of destabilization, concerns increased regarding possibilities and likelihood that control of these agents could be lost. With terrorism at the core of concern, [34] international bodies cooperated to ensure Libya is held to its obligations under the treaty. [35] Libya's post-Gaddafi National Transitional Council is cooperating with the Organisation for the Prohibition of Chemical Weapons regarding the destruction of all legacy chemical weapons in the country. [36] After assessing the chemical stockpiles, the Libyan government will receive a deadline from the OPCW to destroy the CW. [37]

Libya's chemical program was completely abandoned on December 19, 2003 along with their other weapons of mass destruction programs as part of a program to get sanctions lifted and normalize relations with foreign governments. In 2004, between 27 February and 3 March, Libya destroyed 3,200 chemical weapon artillery shells under supervision of the Organisation for the Prohibition of Chemical Weapons (OPCW). On 5 March 2004, Libya declared a stockpile of 23 tons of mustard gas as well as precursors for sarin and other chemicals. Libya officially acceded to the Chemical Weapons Convention in June 2004.

On 12 January 2018, the United States acknowledged that Libya has destroyed its remaining chemical weapons stockpile. [38]

Myanmar

Intelligence regarding Myanmar's chemical weapon status is mixed, and sometimes contradictory. In the late 1990s, US naval intelligence identified Myanmar (then referred to as Burma) as developing chemical weapons capabilities. Later, other officials contradicted that statement, claiming that the evidence supporting Burma's chemical stockpile development was primarily based upon circumstantial evidence. [39]

In July 2014 five journalists in Myanmar were sentenced to ten years in jail after publishing a report saying Myanmar was planning to build a new chemical weapons plant on farmland in the country's Magwe Region. [40]

At an annual OPCW conference in 2019, the United States claimed Myanmar maintained a stockpile of chemical weapons dating to 1982. [41] In November 2023, amidst a civil war, rebel groups of the Brotherhood Alliance accused the military of using chemical weapons on its forces multiple times in Shan State townships. [42] The Arakan Army did the same in early December of that year in Chin State, which the military denied. [42]

Myanmar signed the Chemical Weapons Convention on 14 January 1993, [3] and ratified the agreement on 8 July 2015. [43] The convention entered into effect 7 August 2015. [44] [45]

North Korea

North Korea did not sign CWC and is believed to have maintained an extensive chemical weapons program since the mid-1950s. The program includes research, production, stockpiling and weaponisation of large quantities of chemical agents (perhaps as many as 5000 tons), including blister, nerve, choking, psychoincapacitant, vomiting and riot control agents. Several dozen facilities have been identified as likely involved in the offensive program. The production capability of these facilities is estimated as 4500 tons of chemical agents per year. North Korean armed forces also have large quantities of delivery systems that could carry chemical warheads, including different artillery systems, aerial bombs, mines, tactical ballistic missiles (SCUD), and long-range ballistic missiles (Nodong and Taepodong-2 systems). The technological advancement of this program is uncertain, and some sources doubt whether North Korea is able to produce large quantities of nerve agents or fit the chemical warheads on its long-range ballistic missiles. [46]

It reportedly acquired the technology necessary to produce tabun and mustard gas as early as the 1950s. [47] In 2009, the International Crisis Group reported that the consensus expert view was that North Korea had a stockpile of about 2,500 to 5,000 tonnes of chemical weapons, including mustard gas, sarin (GB) and other nerve agents including VX. [48]

Pakistan

Since 1970s and 1980s, Pakistan had been long suspected of running a possible military chemical weapons program both by Soviet Union and the United States. In 1991, Rear Admiral Thomas Brooks identified Pakistan as a "probable" chemical weapons possessor in testimony before Congress. [49] In 1992, India and Pakistan signed a bilateral arms control treaty of chemical weapons that requires both countries to make a commitment to not develop, possess or use chemical weapons. [50]

On January 13, 1993, Pakistan became an original signatory of Chemical Weapons Convention (CWC), and ratifying the treaty on November 27, 1997. [51] Since being its signatory, the Pakistan is not known to have ever possessed a militarized chemical weapons program, and is a member in good standing of the Organisation for the Prohibition of Chemical Weapons (OPCW). [52] Despite its good standing, Pakistan has been accused of covertly running a military chemical weapons program– the accusations primarily made by India since 1970s. [52] Indian assertion is primarily based on the import of toxic chemicals and metals and the absence of their use in the civilian biochemical industry. [52]

In 1999, Pakistan, addressing the Indian allegations at the United Nations, announced a mandate and regulation for all domestic chemical producers to "furnish details of the chemicals" imported or used in Pakistan. [53]

Russia

Chemical weapons formerly stored in Russia. CW stored in Russia.png
Chemical weapons formerly stored in Russia.
Former Russian CW stockpiles. Russian CW stockpiles.gif
Former Russian CW stockpiles.

Russia entered the CWC with the largest declared stockpile of chemical weapons. [54] By 2010 the country had destroyed 18,241 tonnes at destruction facilities located in Gorny (Saratov Oblast) and Kambarka (Udmurt Republic), where operations have finished and Shchuchye (Kurgan Oblast), Maradykovsky (Kirov Oblast), Leonidovka (Penza Oblast) while installations are under construction in Pochep (Bryansk Oblast) and Kizner (Udmurt Republic). [55] By 2016, Russia destroyed around 94% of its chemical weapons and planned to completely destroy its remaining stockpile by the end of 2018.[ citation needed ] On September 27, 2017 Russia announced the destruction of the last batch of chemical weapons, completing the total destruction of its chemical arsenal ahead of schedule. [56]

On March 4, 2018, Russia was alleged to have conducted a chemical attack in Salisbury, UK that left 5 injured including the alleged target of the attack, Sergei Skripal. [57]

Russia destroyed about 25,000 metric tons of chemical weapons, or 62 percent of its 40,000-ton stockpile as of April 29, 2012 – the deadline set by the Chemical Weapons Convention for complete arsenal destruction. Russia expected 2020 to be more realistic but according to Russia, they fully destroyed their arsenal weapons on September 27, 2017. [58] [59]

Serbia and Montenegro

The former Yugoslavia is known to have produced a variety of chemical weapons (CW). The majority of stockpiled CW is believed to have been inherited by its successor, Serbia.[ citation needed ]

Reports indicate that the former Yugoslavia's Army produced large quantities of sarin (50 tons), sulfur mustard, phosgene, the incapacitant BZ (allegedly a stockpile of 300 tons) and tear gas. At least four chemical warfare production facilities have been identified in Serbia: Prva Iskra in Baric; Miloje Blagojevic in Lucani; and Milojie Zakic and Merima in Krusevac. While the Trajal plant in Krusevac has been shut down, serious questions exist about accounting and previous production and storage of chemical materials there, as well as the lack of accounting on the other three sites.

Yugoslavia used its CW technologies to develop chemical munitions for Iraq prior to the first Gulf War in the "Little Hawk" program and chemical munitions for the Orkan MLRS system under the "KOL15" program.

The former Yugoslavia signed the Geneva Protocol in 1929. In April 2000, the Federal Republic of Yugoslavia acceded to the Chemical Weapons Convention (CWC).

South Korea

Prior to 1997, South Korea was strongly suspected of possessing an active chemical weapons program and was identified as a "probable" chemical weapons possessor by the United States.

On April 18, 1997, South Korea signed the Chemical Weapons Convention and made a secret declaration. It is thought that South Korea is the "state party" referred to in Chemical Weapons Convention materials. There are reports that South Korea is operating a secret facility in Yeongdong County, Chungcheongbuk-do Province for the destruction of chemical agents.

South Sudan

In February 2016, the Sudan People's Liberation Movement-in-Opposition accused the South Sudanese government of attacking them with chemical weapons in the ongoing South Sudanese Civil War. [60]

Sudan

Some past reports of uncertain credibility indicated that Sudan may have used chemical weapons against the rebels in the southern part of this country. Sudan accessed to CWC in 1999 and did not declare any offensive CW program. U.S. Department of State claims that it lacks sufficient evidence to determine whether Sudan is engaged in activities prohibited by CWC. [61]

Syria

Prior to September 2013, Syria was one of seven states not to party with the Chemical Weapons Convention. As a party to the 1925 Geneva Protocol, it was prohibited from using chemical weapons in war yet unhindered in their production, storage and transfer.

When questioned about the topic, Syrian officials stated that they feel it is an appropriate deterrent against Israel's undeclared nuclear weapons program which they believe exists. On July 23, 2012, the Syrian government acknowledged, for the first time, that it had chemical weapons. [62]

Independent assessments indicate that Syria could have produced up to a few hundred tons of chemical agent per year. Syria reportedly manufactures the unitary agents: Sarin, Tabun, VX, and mustard gas. [63]

Syrian chemical weapons production facilities have been identified by Western nonproliferation experts at the following 5 sites, plus a suspected weapons base: [64]

A Syrian soldier aims a Type 56 assault rifle wearing a Soviet-made, model ShMS nuclear-biological-chemical warfare mask. Syrian soldier aims an AK-47.JPEG
A Syrian soldier aims a Type 56 assault rifle wearing a Soviet-made, model ShMS nuclear–biological–chemical warfare mask.

In July 2007, a Syrian arms depot exploded, killing at least 15 Syrians. Jane's Defence Weekly, a UK magazine reporting on military and corporate affairs, believed that the explosion happened when Iranian and Syrian military personnel attempted to fit a Scud missile with a mustard gas warhead. Syria stated that the blast was accidental and not chemical related. [65]

On July 13, 2012, the Syrian government moved its stockpile to an undisclosed location. [66]

In September 2012, information emerged that the Syrian military had begun testing chemical weapons and was reinforcing and resupplying a base housing these weapons located east of Aleppo in August. [67] [68]

On March 19, 2013, news emerged from Syria indicating the first use of chemical weapons since the beginning of the Syrian uprising. [69]

On August 21, 2013, testimony and photographic evidence emerged from Syria indicating a large-scale chemical weapons attack on Ghouta, a populated urban center. [70]

An agreement was reached September 14, 2013, called the Framework For Elimination of Syrian Chemical Weapons, leading to the elimination of Syria's chemical weapon stockpiles by mid-2014. [71] [72]

On October 14, 2013, Syria officially acceded to the Chemical Weapons Convention.

On September 14, 2013, the United States and Russia announced an agreement that would lead to the elimination of Syria's chemical weapon stockpiles by mid-2014. [73] Syria officially acceded to the CWC on October 14, [74] but has yet to sign the Comprehensive Test Ban Treaty. It is believed Syria first received chemical weapons in 1973 from Egypt in the form of artillery shells.[ citation needed ] Since then it is thought Syria has one of the most advanced chemical weapons programs in the Middle East.[ citation needed ]

Syria's chemical arsenal

Syria is thought to have amassed large quantities of sarin, tabun, and mustard and is currently weaponizing VX.[ citation needed ] Exact quantities are hard to know although the CIA has estimated Syria possesses several hundred liters of chemical weapons with hundreds of tons of agents produced annually.[ citation needed ]

Production

Syria has four main production sites. One just north of Damascus, one near Homs, one in Hama and one, al-Safir south-east of Aleppo.[ citation needed ]

Taiwan

U.S. Congress was informed in 1989 that Taiwan could have acquired offensive chemical weapons capability, including stockpiles of sarin. The alleged facilities include Tsishan and Kuanhsi. Taiwanese authorities acknowledged only the existence of a defensive research program. [75]

Turkey

Turkey emerged from the cold war relatively unprotected and is gravely concerned about the acquisition of weapons of mass destruction, particularly chemical weapons that have been used in the vicinity of the Turkish state. Turkey is party to both the Chemical Weapons Convention since 1997 and the Biological Weapons Convention since 1974. [76]

Turkey has been accused of using chemical weapons in Afrin against Kurdish rebels, but the country has denied that civilians in its operation against the Kurdish YPG fighters in northwestern Syria were affected by chemical weapons from the Turkish military. The country has sharply condemned and verified some of the chemical weapons used in the Syrian civil war. [77]

United States

The United States has used multiple types of chemical weapons both in war and in testing. For example, testing of how various chemical weapons will disperse in different climates and delivery systems during Operation LAC. Police forces periodically use CS against violent protests domestically, while use and deployment is banned in military use. The United States possessed a stockpile of chemical weapons since World War I. It banned the production or transport of chemical weapons in 1969. The U.S. began chemical weapons disposal and destruction in the 1960s, first by deep-sea burial; by the 1970s, incineration was the primary disposal method used. The use of chemical weapons was officially renounced in 1991, and the U.S. signed the Chemical Weapons Convention in 1993. As of July 7, 2023, the remaining stockpiles of sulfur mustard were announced to be destroyed. [78]

The United States has completed destruction of the chemical weapons stockpile it declared in 1997, guided by RCRA regulations. [79] As of 2023 complete destruction and deactivation was achieved on July 7, 2023. [80]

The U.S. policy on the use of chemical weapons is to reserve the right to retaliate. First use, or preemptive use, is a violation of stated policy. Only the president of the United States can authorize the first retaliatory use. [81] Official policy now reflects the likelihood of chemical weapons being used as a terrorist weapon. [82] [83]

See also

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<span class="mw-page-title-main">Chemical warfare</span> Using poison gas or other toxins in war

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<span class="mw-page-title-main">Libya and weapons of mass destruction</span>

Libya pursued programs to develop or acquire weapons of mass destruction from when Muammar Gaddafi seized control of Libya in 1969 until he announced on 19 December 2003 that Libya would voluntarily eliminate all materials, equipment and programs that could lead to internationally proscribed weapons. This included weapons of mass destruction and long-range ballistic missiles.

<span class="mw-page-title-main">Syria and weapons of mass destruction</span>

Syria and weapons of mass destruction deals with the research, manufacture, stockpiling and alleged use by Syria of weapons of mass destruction, which include chemical and nuclear weapons.

<span class="mw-page-title-main">Chemical weapon</span> Device that uses chemicals to kill or harm individuals

A chemical weapon (CW) is a specialized munition that uses chemicals formulated to inflict death or harm on humans. According to the Organisation for the Prohibition of Chemical Weapons (OPCW), this can be any chemical compound intended as a weapon "or its precursor that can cause death, injury, temporary incapacitation or sensory irritation through its chemical action. Munitions or other delivery devices designed to deliver chemical weapons, whether filled or unfilled, are also considered weapons themselves."

There have been numerous reports of chemical weapons attacks in the Syrian Civil War, beginning in 2012, and corroborated by national governments, the United Nations (UN), the Organisation for the Prohibition of Chemical Weapons (OPCW), Human Rights Watch (HRW), and media organizations. The attacks occurred in different areas of Syria, including Khan al-Assal, Jobar, Saraqib, Ashrafiyat Sahnaya, Kafr Zita, Talmenes, Sarmin and Douma. The deadliest attacks were the August 2013 sarin attack in Ghouta, the April 2017 sarin attack in Khan Shaykhun and April 2018 Douma chemical attacks. The most common agent used is chlorine, with sarin and sulphur mustard also reported. Almost half of the attacks between 2014 and 2018 were delivered via aircraft and less than a quarter were delivered from the ground, with the remaining attacks having an undetermined method of delivery. Since the start of uprisings across Syria in 2011, Syrian Arab Armed Forces and pro-Assad paramilitary forces have been implicated in more than 300 chemical attacks in Syria.

The United States chemical weapons program began in 1917 during World War I with the creation of the U.S. Army's Gas Service Section and ended 73 years later in 1990 with the country's practical adoption of the Chemical Weapons Convention. Destruction of stockpiled chemical weapons began in 1986 and was completed on July 7, 2023. The U.S. Army Medical Research Institute of Chemical Defense (USAMRICD), at Aberdeen Proving Ground, Maryland, continues to operate.

Syria's chemical weapons program began in the 1970s with weapons and training from Egypt and the Soviet Union, with production of chemical weapons in Syria beginning in the mid-1980s. For some time, Syria was believed to have the world's third-largest stockpile of chemical weapons, after the United States and Russia. Prior to September 2013 Syria had not publicly admitted to possessing chemical weapons, although Western intelligence services believed it to hold one of the world's largest stockpiles. In September 2013, French intelligence put the Syrian stockpile at 1,000 tonnes, including Yperite, VX and "several hundred tonnes of sarin". At the time, Syria was one of a handful of states which had not ratified the Chemical Weapons Convention. In September 2013, Syria joined the CWC, and agreed to the destruction of its weapons, to be supervised by the Organisation for the Prohibition of Chemical Weapons (OPCW), as required by the convention. A joint OPCW-United Nations mission was established to oversee the destruction process. Syria joined OPCW after international condemnation of the August 2013 Ghouta chemical attack, for which Western states held the Syrian government responsible and agreed to the prompt destruction of its chemical weapons, resulting in U.S. Secretary of State John Kerry declaring on 20 July 2014: "we struck a deal where we got 100 percent of the chemical weapons out." The destruction of Syria's chemical weapons that the Assad government had declared was completed by August 2014, yet further disclosures, incomplete documentation, and allegations of withholding part of Syria's chemical weapons stockpile since mean that serious concerns regarding chemical weapons and related sites in Syria remain. On 5 April 2017, the government of Syria allegedly unleashed a chemical attack that killed 70 civilians. A suspected chemical attack on Douma on 9 April 2018 that killed at least 49 civilians has been blamed on the Syrian Government.

<span class="mw-page-title-main">Destruction of Syria's chemical weapons</span> Part of the Syrian peace process

The destruction of Syria's chemical weapons began on 14 September 2013 after Syria entered into several international agreements which called for the elimination of Syria's chemical weapon stockpiles and set a destruction deadline of 30 June 2014. Also on 14 September 2013, Syria acceded to the Chemical Weapons Convention (CWC) and agreed to its provisional application pending its entry into force on 14 October. Having acceded to the CWC, the Organisation for the Prohibition of Chemical Weapons (OPCW) Executive Council on 27 September approved a detailed implementation plan that required Syria to assume responsibility for and follow a timeline for the destruction of Syrian chemical weapons and Syrian chemical weapon production facilities. Following the signing of the Framework Agreement on 14 September 2013 and after the OPCW implementation plan, on 27 September the United Nations Security Council unanimously adopted Resolution 2118 which bound Syria to the timetable set out in the OPCW implementation plan. The joint OPCW-UN mission was established to oversee the implementation of the destruction program.

<span class="mw-page-title-main">Muthana State Establishment</span>

Muthana State Establishment or Muthanna (Arabic: منشأة المثنى العامة) (also known for its code-name Project 922 and cover name State Enterprise for Pesticide Production (SEPP)) was Iraq's main chemical weapons research, development, and production facility. It is located in Saladin Governorate 40 km south west of Samarra, 140 km north west of Baghdad. This mega facility covering an area 100 km², contained three main production areas.

<span class="mw-page-title-main">Schedules of substances annexed to the Chemical Weapons Convention</span>

The schedules of substances annexed to the Chemical Weapons Convention (CWC) list toxic substances and their precursors which can be used for the production of chemical weapons, the use of which is permitted by State Parties to the Chemical Weapons Convention only to a limited extent under the supervision of the Organisation for the Prohibition of Chemical Weapons (OPCW). State Parties are required to provide the OPCW with an annual summary of the production and use in their territory of substances listed in these Schedules, in accordance with the Convention.

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