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"I want to tell you that your fact sheet on the [Missile Technology Control Regime] is very well done and useful for me when I have to speak on MTCR issues."

– Amb. Thomas Hajnoczi
Chair, MTCR
May 19, 2021
Syria, Russia, and the Global Chemical Weapons Crisis


September 2021
By Kenneth D. Ward

For much of its early history, the Organisation for the Prohibition of Chemical Weapons (OPCW) was a little-known international organization quietly verifying the destruction of Cold War-era stockpiles as required by the Chemical Weapons Convention (CWC). Today, the OPCW is the epicenter of a global chemical weapons crisis and a front line in a broader confrontation between the West and Russia.

A bulletproof vest worn by staff of the Organisation for the Prohibition of Chemical Weapons, based in The Hague. For two decades, the OPCW has been key to the painstaking task of trying to eliminate the world's CW stockpiles. More recently, it has worked to hold Russia and Syria, instigators of the current CW crisis, to account. (Photo by John Thys/AFP via Getty Images)When the CWC entered into force in 1997, it seemed that all that remained to achieve a world free of chemical weapons was to verifiably destroy declared stockpiles and universalize membership. Instead, the international norm against chemical weapons use is under siege, most prominently by Syria and Russia, two states-parties to that very treaty. The world is now precariously perched on the knife’s edge of a new era of chemical weapons use.

Once the chemical weapons crisis erupted in Syria, the OPCW was forced to make a historic transformation, moving from being solely a standard arms control monitoring body to becoming an indispensable instrument of international peace and security, as recognized when the organization was awarded the 2013 Nobel Peace Prize. This new role must be strengthened to address the chemical weapons threat that has metastasized globally as a result of recent chemical weapons use in the United Kingdom, Russia, Iraq, and Malaysia.

Ghouta: The Ieper of the 21st Century

The hope that chemical weapons use had been consigned to the 20th century was shattered on August 21, 2013, when the Syrian military launched a barrage of rockets filled with the nerve agent sarin against the opposition-controlled town of Ghouta, a suburb of Damascus. Soon afterward, a UN investigation team confirmed the worst: 1,400 people were killed from exposure to sarin. The images of the Ghouta victims were seared into the collective conscience of humanity alongside Ieper, the site of the first major use of chemical weapons in World War I, and Halabja, where Iraqi President Saddam Hussein in 1988 perpetrated a devastating nerve agent attack against the Kurds.

As the world reeled in horror from the Ghouta attack, Western powers considered military intervention to deter further carnage, but when U.S. Secretary of State John Kerry and Russian Foreign Minister Sergey Lavrov met in Geneva to discuss the crisis on September 14, they achieved a diplomatic breakthrough known as the Joint Framework for the Elimination of Syrian Chemical Weapons. The United States and Russia found common ground on only one point, namely that the Syrian chemical weapons stockpile needed to be removed and destroyed. To this end, Russia tacitly assumed responsibility as the guarantor, ensuring that its Syrian ally would not use chemical weapons and would fully declare its chemical weapons stockpile so it could be destroyed under international oversight. Syria initiated the process to formally join the CWC just 24 days after the Ghouta attack. During that brief period, the Assad regime certainly had not undergone a moral conversion, but rather bowed to pressure from the Western powers and Russia.

By the end of September 2013, the international community had legally anchored the U.S.-Russian joint framework in a decision of the OPCW Executive Council and in a UN Security Council resolution, which included measures to address any Syrian failure to comply with the resolution’s provisions or with the prohibitions of the CWC.

False Declaration and Chemical Weapons Attacks

In the spring of 2014, while Syria’s declared chemical weapons stocks were being removed from its territory for destruction, the first signs appeared that Damascus did not intend to comply fully with its commitments under the CWC and the UN resolution. The unraveling of the historic joint framework had begun.

Widespread reports emerged of chemical weapons attacks involving chlorine gas barrel bombs dropped by helicopters on opposition-controlled towns, resulting in injuries and fatalities. The claims prompted the OPCW director-general to establish a fact-finding mission, which later determined that chlorine had been used as a weapon in Syria repeatedly and systematically from April to August 2014.

During that same period, there were indications that Syria had not fully disclosed its chemical weapons program in its October 2013 declaration to the OPCW. The OPCW Technical Secretariat, after a detailed examination of the declaration and site visits in Syria, identified troubling discrepancies, prompting the organization’s director-general to establish a dedicated group, the Declaration Assessment Team, to continue engagement with Syrian authorities until the declaration could be fully verified as accurate and complete. To date, that group has conducted more than 20 rounds of consultations with Syria, yet 19 issues still remain unresolved.

Renewed concern over chemical weapons use in Syria prompted the adoption of another UN resolution in which the Security Council unanimously established the OPCW-UN Joint Investigative Mechanism (JIM). Since the fact-finding mission mandate was limited to determining only whether chemical weapons use occurred in Syria, the JIM was established as a panel of experts charged with identifying those individuals, groups, or governments involved in their use. In the fall of 2016, the JIM reported its findings, concluding that the Syrian military had been involved in the use of toxic chemicals (chlorine gas) as weapons in three attacks in 2014 and 2015.

Although Moscow refused to accept the JIM findings that its Syrian ally was using chemical weapons in violation of the CWC and the Security Council resolution, it begrudgingly agreed in November 2016 to renew the JIM’s mandate for another year and endorsed a new panel of experts to lead the effort. Within months, the JIM would become seized with the most devastating chemical weapons attack since Ghouta. On April 4, 2017, the Assad regime launched a sarin nerve agent attack against the opposition-controlled town of Khan Shaykhun. Damascus and Moscow quickly flooded the media with disinformation and outright fabrications, claiming the opposition itself had launched the attack to falsely accuse the Assad regime. To deter further chemical weapons use, the United States launched cruise missiles against the Syrian airfield where the attacking aircraft originated.

Despite Russian and Syrian efforts to bury the truth of what happened in Khan Shaykhun, the JIM determined that the Syrian military had used sarin in the attack. It was evident at the United Nations and the OPCW, however, that Russia would seek to block any international action against its Syrian ally, no matter how damning the evidence. Indeed, it was in direct reaction to the JIM’s competence that Russia vetoed three renewal resolutions at the UN, and the JIM ended in November 2017.

Deepening Chemical Weapons Crisis

Two chemical weapons attacks in the spring of 2018 escalated the threat to the international norm against the use of chemical weapons. In March, former Russian spy Sergei Skripal, now a UK citizen living in Salisbury, and his daughter were poisoned by a Novichok nerve agent known to have been developed by the Soviet Union. The UK blamed Russia for the assassination attempt, underscoring the terrible risk the use of a such a nerve agent had posed to the local community. Indeed, a resident of the adjacent town of Amesbury later died. The UK requested a technical assistance visit by OPCW experts who confirmed that a nerve agent was used in the attack.

On April 18, 2018, the OPCW Executive Council met to address the experts’ findings. In the wake of the expulsion of Russian diplomats by the UK, the United States, and others, the meeting immediately escalated into high politics with Russia unleashing absurd counteraccusations and protesting that it was the victim of a Western smear campaign.

Before the day was over, it was clear that a front line in a broader international confrontation had opened up and that, in addition to the Syrian crisis, there was now an even more ominous Russian problem. Russia was no longer just an enabler of Syria’s use of chemical weapons, protecting it at the OPCW and the UN Security Council; it was itself a perpetrator, signaling to the world that it still illicitly possessed its own dangerous chemical weapons agent. Moreover, Moscow now viewed the OPCW Technical Secretariat as an adversary. Just a week earlier, as reported by the Dutch government, agents from the Russian military intelligence branch, the GRU, were deported from the Netherlands for attempting to conduct a cyberoperation against OPCW headquarters in The Hague from an adjacent hotel.

A poster of Syrian President Bashar al-Assad adorns a wall as a United Nations vehicle carrying inspectors from the Organisation for the Prohibition of Chemical Weapons leaves a hotel in Damascus, in October 2013.  (Photo by Louai Beshara/AFP via Getty Images)As the chemical weapons threat widened to the European continent, the crisis in Syria deepened. On April 7, multiple chlorine-filled barrel bombs were dropped on the Damascus suburb of Douma, killing dozens of civilians. Again, a highly charged special meeting of the OPCW Executive Council was convened on April 16, just two days after joint military strikes against Syrian government facilities by France, the UK, and United States. Russia and Syria falsely claimed that the UK and the United States “staged” the Douma chlorine attacks with the help of the White Helmets, an organization of volunteer first responders in Syria that Russia has tried to label as terrorists. Within weeks, OPCW fact finders went to Douma to further its investigation, which ultimately concluded that chlorine was used.

The OPCW also faced a grim new reality extending beyond Syrian and Russian transgressions. The Islamic State group had used chemical weapons in Syria and Iraq. Moreover, North Korea, although not a party to the CWC, was advertising its chemical weapons capabilities by assassinating the stepbrother of leader Kim Jong Un with VX nerve agent in a Malaysian airport.

OPCW Response to Widening Chemical Weapons Use

With increasing use of chemical weapons undermining the CWC, seriously eroding the international norm, and putting the world at risk of a new era of chemical weapons threats, the OPCW had to act or succumb to irrelevance.

Deeply aggrieved by Russia’s use of chemical weapons on its territory and concerned with a worsening chemical weapons crisis, the UK initiated a special session of CWC states-parties to forge an international response. After Russia and Syria tried unsuccessfully to block adoption of the agenda, the fourth special session of the conference of CWC states-parties on June 27, 2018, with broad international support took unprecedented steps to address the crisis by adopting the historic decision titled “Addressing the Threat From Chemical Weapons Use.”

Most importantly, the decision dealt with Syria’s continued possession and use of chemical weapons. To remedy the termination of the JIM, the conference directed the OPCW Technical Secretariat to “put in place arrangements to identify the perpetrators of the use of chemical weapons” in Syria. Director-General Fernando Arias implemented that directive by establishing the Investigation and Identification Team, which, in April 2020, found reasonable grounds to conclude that Syria conducted three chemical weapons attacks against opposition-controlled areas in March 2017. In response to these findings, the conference of states-parties in April 2021 suspended Syria’s voting rights at the OPCW.

The decision further clarified the mandate of the OPCW Technical Secretariat in the context of the CWC. The director-general, if requested by a state party investigating a possible use of chemical weapons on its territory, was expressly authorized to provide technical expertise to help identify the perpetrators of any chemical weapons attack.

The decision also authorized the release of OPCW information to any entities established under the auspices of the UN investigating chemical weapons use in Syria. This provision would aid the ongoing investigation efforts of two such entities: (1) the International, Impartial, and Independent Mechanism (IIIM) established to assist in the investigation and prosecution of persons responsible for committing war crimes in Syria, and (2) the Independent International Commission of Inquiry on the Syrian Arab Republic.

The Fight for a Future Free of Chemical Weapons

Threats to the CWC and the international norm against the use of chemical weapons remain ominous and unabated as evidenced by Russia’s attempted assassination of opposition leader Alexei Navalny with a Novichok nerve agent in August 2020.

Russia’s contempt for and repeated violation of the convention are appallingly evident. Moscow has enabled and protected its Syrian ally by relentlessly wielding its veto at the UN Security Council, opposing action by the OPCW, and engaging in a calculated global campaign of disinformation and distortion. In two assassination attempts against opponents, Russia has advertised to the world that it illicitly maintains a chemical weapons program, possesses Novichok nerve agents, and has no compunction about using such outlawed weapons against its adversaries. There should be no expectation that Russia’s contempt for the convention will ebb in the foreseeable future. Indeed, Moscow’s continued embrace of chemical weapons is not an isolated affront, but rather part of a much larger challenge to the West.

The Assad regime also remains a long-term threat to the convention and the international norm against chemical weapons use. It views chemical weapons as a vital tool of survival and as a strategic counterweight to Israel. There should be no expectation that Syria will finally comply with its CWC obligations once the conflict there is over. Rather, it should be expected that Syria will seek to produce and deploy chemical weapons as long as the Assad regime remains in power.

The fourth special session of the conference of CWC states-parties in June 2018 began an effort to push back against these threats and avoid a return of the chemical weapons horrors of the 20th century. This must continue and intensify as it will be a long-term struggle.

The United States must accord high priority to defending the CWC and lead an international effort to hold perpetrators accountable in all relevant forums. What would this entail? Chemical weapons use by North Korea and the Islamic State group are surely of concern, but they are not parties to the treaty and thus not a primary factor in the current crisis, which is largely a Russian problem. It is important to recognize that deterring Moscow from possessing or using chemical weapons or enabling their use by others is a challenging task. Increased pressure through sanctions and initiatives at the OPCW and UN General Assembly will continue to play a role. Just as importantly, the United States and its allies must mount a diplomatic and public messaging campaign to counter Russian disinformation and deprive Moscow of any credibility or support. This would include further isolating Russia from the international community by encouraging key states in Africa and Asia that have been sitting on the sidelines to join efforts to condemn chemical weapons use by Syria and Russia.

To be clear, the near-term prospects for deterring further Russian chemical weapons affronts are not favorable. The Russian chemical weapons problem is fundamentally rooted in Moscow’s broader confrontation with the West, and it should be expected that any progress would ultimately be dependent on the broader political landscape. In 2013, Russia worked constructively with the United States to diplomatically address the Syrian chemical weapons crisis. In the years that followed, however, Russia chose to abet rather than dissuade its Syrian ally from chemical weapons use and then went beyond that by targeting the Kremlin’s own opponents for assassination with chemical agents prohibited by its treaty obligations. All these premeditated decisions helped to precipitate the wider strained situation and are symptomatic of Moscow’s intractability.

Justice and deterrence require that a diplomatic strategy to defend the convention also ensure personal accountability for those individuals who ordered, enabled, or carried out chemical weapons attacks. Much of the groundwork for such an effort has been laid, but its promise may not be realized for years.

Internationally, two UN-established entities—the IIIM and the Independent International Commission of Inquiry on the Syrian Arab Republic—are mandated to investigate violations of international law and have reported on incidents involving chemical weapons use. France has spearheaded a multilateral initiative, launching in January 2018, called the International Partnership Against Impunity for the Use of Chemical Weapons, with the mission of gathering and sharing information to facilitate national and international prosecution of chemical weapons perpetrators. Currently, 40 states and the European Union are members.

The United States and its allies should intensify efforts to substantially expand support for the partnership. Although prosecutions could take years, these cooperative efforts signal the international community’s determination to ensure that those who use chemical weapons will someday face a reckoning and their victims will see justice done.

To successfully weather the assault on the convention and the norm, diplomacy must be paired with concerted international investment in the OPCW. The Technical Secretariat must remain the calm eye of the political storm. The convention does not endow the OPCW with enforcement authority, but it does provide the secretariat with the ability to assess the accuracy of state party declarations, to investigate chemical weapons use, and to provide technical assistance to states parties. Indeed, in the Syrian case, the secretariat’s reports underscored that objective analysis from an independent organization is the best antidote to false claims from the perpetrator of a chemical weapons attack.

It is essential that the Technical Secretariat remain fit for its mission in an increasingly challenging environment. That will require annually increasing the budget to adjust for inflation. For almost a decade, the OPCW budget has remained virtually unchanged at about $85 million. Meanwhile, the international community has asked the organization to do more when inflation has left it with 25 percent less purchasing power than in 2009. States-parties have responsibly provided the secretariat with many millions in voluntary contributions to fund Syria-related operations, the 2016 removal of chemical weapons precursors from Libya, and other important initiatives. Yet, such donations are not a reliable or sustainable way to maintain the organization’s core activities and staffing. The OPCW is the best bargain in the international system and should be treated the same as the International Atomic Energy Agency, which in effect has been held to roughly zero real growth, with an annual increase reflecting inflation.

Keeping the Technical Secretariat highly capable and operationally agile will also require establishing a long-term training program and a dedicated training directorate to ensure that the next generation of inspectors, investigators, laboratory technicians, chemical weapons experts, and analysts are fully trained and prepared to face future challenges.

Given that the OPCW is regularly detecting increasingly sophisticated hacking attempts, another priority must be securing the organization’s computer network. The Technical Secretariat has initiated remedial measures to enhance security, but a broader revamp of the computer network along with additional cybersecurity resources are needed. These should be funded through the regular budget and voluntary contributions by states parties.

The final requirement is to ensure the OPCW continues to be well led. The director-general should always be a highly skilled, experienced diplomat with expertise in chemistry being optional. Since the beginning of the Syrian chemical weapons crisis in 2013, the OPCW has been ably led by successive directors-general who have exemplified these attributes, faithfully implementing the convention while deftly navigating the diplomatic landscape.

To paraphrase Edmund Burke, all that is needed for the evil of chemical weapons to triumph is for responsible nations to acquiesce. The CWC is a remarkable achievement in the progress of humanity, and the international community must continue to fight for it or risk losing it. The OPCW is an indispensable partner in this fight. With the broad support of its membership, the organization has taken unprecedented action to expose all perpetrators—countries, groups, and individuals—who use chemical weapons. More broadly, the world must redouble its efforts to ensure chemical weapons remain reviled and those who use them are held accountable. What was started with the signing of the convention must be finished, finally turning the page on an ugly chapter in history.


Kenneth D. Ward is a senior advisor in the Bureau of Arms Control, Verification and Compliance at the U.S. Department of State. He was U.S. ambassador to the Organisation for the Prohibition of Chemical Weapons from December 2015 to August 2020.