In violation of the Geneva Protocol of 1925, the Iraqi Army initiated two failed (1970–1974, 1974–1978) and one successful (1978–1991) offensive chemical weapons (CW) programs.[1] President Saddam Hussein (1937–2006) pursued the most extensive chemical program during the Iran-Iraq War (1980–1988), when he waged chemical warfare against his foe. He also used chemicals in 1988 in the Al-Anfal Campaign against his civilian Kurdish population and during a popular uprising in the south in 1991.
Although efforts to acquire chemical weapons dated back to the early 1960s (pre-dating Hussein's regime), the Iraqis did not have stockpiles at the outbreak of the war with Iran in 1980. But in time, they began to develop an intensive research program to produce and store chemical weapons and used the war fields to test and perfect their chemical warfare prowess. Thus, as the war continued, Iraq’s chemical warfare program came to expand rapidly.
Iraq’s biological warfare development pursued a similar course, but by the time Iraqis were testing biological warheads (containing anthrax and botulinum toxin) in Iraqi’s deserts the war had come to end.[2]
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On September 22, 1980, Iraq staged an all-out war on Iran from ground, air, and sea and came to occupy a vast part of Iranian territory. But in the following months it was evident that the Iranian nation was determined to reclaim its occupied territories. Contrary to the Iraqis' conception, the continued occupation of Iran required more effective weapons.
Saddam Hussein’s chemical warfare development and use can be divided into three phases:
Project 922 was the codename for Iraq's third and most successful attempt to produce chemical and biological weapons. Within three years (1978–1981), Project 922 had gone from concept to production for first generation Iraqi chemical weapons (mustard agent). By 1984 Iraq started producing its first nerve agents, Tabun and Sarin. In 1986, a five-year plan was drawn up that ultimately led to biological weapons production. By 1988 Iraq had produced VX. The program reached its zenith in the late 1980s during the Iran-Iraq war. From August 1983 to July 1988 Iran was subjected to extensive Iraqi chemical attacks. Between 1981 and 1991, Iraq produced over 3,857 tons of CW agents.
As part of Project 922, German firms such as Karl Kobe helped build Iraqi chemical weapons facilities such as laboratories, bunkers, an administrative building, and first production buildings in the early 1980s under the cover of a pesticide plant. Other German firms sent 1,027 tons of precursors of mustard gas, sarin, tabun, and tear gasses in all. This work allowed Iraq to produce 150 tons of mustard agent and 60 tons of Tabun in 1983 and 1984 respectively, continuing throughout the decade. All told, 52% of Iraq's international chemical weapon equipment was of German origin. France also provided glass-lined reactors, tanks, vessels, and columns used for the production of chemical weapons. Around 21% of Iraq’s international chemical weapon equipment was French. 75,000 shells and rockets designed for chemical weapon use also came from Italy. About 100 tons of mustard gas also came from Brazil. The United States exported $500 million of dual use exports to Iraq that were approved by the Commerce Department. Among them were advanced computers, some of which were used in Iraq’s nuclear program. The United Kingdom paid for a chlorine factory that was intended to be used for manufacturing mustard gas.[3] Austria also provided heat exchangers, tanks, condensers, and columns for the Iraqi chemical weapons infrastructure, 16% of the international sales. Singapore gave 4,515 tons of precursors for VX, sarin, tabun, and mustard gasses to Iraq. The Dutch gave 4,261 tons of precursors for sarin, tabun, mustard, and tear gasses to Iraq. Egypt gave 2,400 tons of tabun and sarin precursors to Iraq and 28,500 tons of weapons designed for carrying chemical munitions. India gave 2,343 tons of precursors to VX, tabun, Sarin, and mustard gasses. Luxembourg gave Iraq 650 tons of mustard gas precursors. Spain gave Iraq 57,500 munitions designed for carrying chemical weapons. In addition, they provided reactors, condensers, columns and tanks for Iraq’s chemical warfare program, 4.4% of the international sales. China provided 45,000 munitions designed for chemical warfare.[4]
The Iran-Iraq War ended in August 1988. By that time, according to the Iraq Survey Group Final Report,[5] seven UN specialist missions had documented repeated use of chemicals in the war. According to Iraq itself, it consumed almost 19,500 chemical bombs, over 54,000 chemical artillery shells and 27,000 short-range chemical rockets between 1983 and 1988. Iraq declared it consumed about 1,800 tons of mustard gas, 140 tons of Tabun, and over 600 tons of Sarin. Almost two-thirds of the CW weapons were used in the last 18 months of the war.
Examples of CW use by Iraq include the following from the Final Report. (These are selected uses only. Numerous other smaller scale CW attacks occurred.)
Use in the Iran-Iraq War, 1983-1988
Use at Halabja
On March 17, 1988, the Halabja tragedy occurred. The Iraqi army hit residential areas with sarin gas and the roads leading out of the city with mustard gas the day after. Most of the victims died within minutes after bombing and those who survived and tried to leave the city the following day were injured when passed contaminated roads. Civilians in residential areas in western Iran such as Noodsheh, Ghaleji, and Marivan were bombarded with nerve gas as well. The efforts of local health care centers played a significant role in decreasing the number of mortalities.
Use in Southern Iraq against the Popular Uprising, 1991