Brazil and weapons of mass destruction
|Weapons of mass destruction|
In the 1970s and 80s, during the military regime, Brazil had a secret program intended to develop nuclear weapons. The program was dismantled in 1990, five years after the military regime ended, and Brazil is considered free of weapons of mass destruction.
Brazil is one of several countries that have forsworn nuclear weapons under the terms of the Nuclear Non-Proliferation Treaty but possess the key technologies needed to produce nuclear weapons.
In the 1950s, President Getúlio Vargas encouraged the development of independent national nuclear capabilities. During the 1970s and 80s, Brazil and Argentina embarked on a nuclear competition. Through technology transfers from West Germany, which did not require IAEA safeguards, Brazil pursued a covert nuclear weapons program known as the "Parallel Program", with enrichment facilities (including small scale centrifuge enrichment plants, a limited reprocessing capability, and a missile program). In 1987, President Sarney announced that Brazil had enriched uranium to 20%.
In 1990, President Fernando Collor de Mello symbolically closed the Cachimbo test site, in Pará, and exposed the military’s secret plan to develop a nuclear weapon. Brazil's National Congress opened an investigation into the Parallel Program. Congress members visited numerous facilities, including the Institute of Advanced Studies (IEAv) in São José dos Campos. They also interviewed key players in the nuclear program, such as former President João Figueiredo and retired Army General Danilo Venturini, the former head of the National Security Council under Figueiredo. The congressional investigation exposed secret bank accounts, code-named "Delta", which were managed by the National Nuclear Energy Commission and used for funding the program. The congressional report revealed that the IEAv had designed two atomic bomb devices, one with a yield of twenty to thirty kilotons and a second with a yield of twelve kilotons. The same report revealed that Brazil's military regime secretly exported eight tons of uranium to Iraq in 1981.
In 1991, Brazil and Argentina renounced their nuclear rivalry. On 13 December 1991, they signed the Quadripartite agreement, at the IAEA headquarters, creating the Brazilian–Argentine Agency for Accounting and Control of Nuclear Materials and allowing fullscope IAEA safeguards of Argentine and Brazilian nuclear installations.
Brazil officially opened the Resende enrichment plant in May 2006. Brazil's enrichment technology development, and the plant itself, involved substantial discussions with the IAEA and its constituent nations. The dispute came down to whether IAEA inspectors would be allowed to inspect the machines themselves. The Brazilian government did not allow the inspection of the centrifugal cascade halls, arguing that this would reveal technological secrets (probably relating to the use of a magnetic lower bearing in place of the more common mechanical bearing). The Brazilian authorities stated that, as Brazil is not part of any "axis of evil", the pressure for full access to inspection - even in universities - could be construed as an attempt to pirate industrial secrets. They also claimed that their technology is better than that of the United States and France, mainly because the centrifugal axis is not mechanical, but electromagnetic. Eventually, after extensive negotiations, agreement was reached that while not directly inspecting the centrifuges, the IAEA would inspect the composition of the gas entering and leaving the centrifuge. Then U.S. Secretary of State, Colin Powell, stated in 2004 that he was sure that Brazil had no plans to develop nuclear weapons.
It is likely that Brazil has retained the technological capacity and knowhow to produce and deliver a nuclear weapon. Experts at the Los Alamos National Laboratory have concluded that in view of its previous nuclear activities, Brazil is in a position to produce nuclear weapons within three years. If Brazil decided to pursue a nuclear weapon, the centrifuges at the Resende enrichment plant could be reconfigured to produce highly enriched uranium for nuclear weapons. Even a small enrichment plant like Resende could produce several nuclear weapons per year, but only if Brazil was willing to do so openly.
The Brazilian Navy is currently developing a nuclear submarine fleet, and in 2007 authorised the construction of a prototype submarine propulsion reactor. In 2008, France agreed to transfer technology to Brazil for the joint development of the nuclear submarine hull.
Aramar Experimental Center
The Aramar Experimental Center (Portuguese: Centro Experimental de Aramar) located in Iperó in the State of São Paulo, was inaugurated in 1988 as the first uranium-only enrichment plant in Brazil. The facility is run by the Brazilian Nuclear Energy Commission (CNEN) and the Brazilian Navy. In addition to the Centrifuge Enrichment Plant, the facility also hosts an Isotopic Enrichment Laboratory and several Small Nuclear Centers (Portuguese: Pequenas Centrais Nucleares, or PCNs). The enrichment laboratories are under the National Safeguards control and national inspections are carried out by the Safeguards Division of CNEN.
Cachimbo Test Site
The Cachimbo test site, officially named Brigadeiro Velloso Test Site (Portuguese: Campo de Provas Brigadeiro Velloso), is located in the State of Pará and covers 45,000 square kilometres, an area larger than the Netherlands. It is within this military area that a 320 meters-deep hole at the Cachimbo Mountain Range was site for nuclear explosives tests. The shaft has been public knowledge since 1986 and was allegedly abandoned in September 1990, when President Fernando Collor de Mello used a small shovel to symbolically seal up the hole.
Army's Technology Center (Guaratiba)
The Army's Technology Center (Portuguese: Centro Tecnológico do Exército, or CTEx) located in Guaratiba in the State of Rio de Janeiro is the site of the plutonium-producing reactor facility, known as 'The Atlantic Project', managed by the Brazilian Army's Special Projects Institute – IPE. Reports indicate that the gas-graphite reactor would be capable of producing plutonium for atomic bombs.
Aerospace Technology and Science Department (São José dos Campos)
The Aerospace Technology and Science Department (Portuguese: Departamento de Ciência e Tecnologia Aerospacial, or DCTA) is a research facility located in São José dos Campos, in the State of São Paulo where nuclear research is also conducted.
Resende (Engenheiro Passos) Nuclear Fuel Factory
The Resende Nuclear Fuel Facility (Portuguese: Fábrica de Combustíveis Nucleares, or FCN) is a nuclear enrichment facility located in Resende, in the State of Rio de Janeiro. The plant is managed by the Nuclear Industries of Brazil (Portuguese: Indústrias Nucleares do Brasil, or INB) and by the Brazilian Navy. Currently the plant produces enough HEU for 26 to 31 implosion type warheads.
Legislation and conventions
Brazil's 1988 Constitution states in Article 21 that "all nuclear activity within the national territory shall only be admitted for peaceful purposes and subject to approval by the National Congress".
Brazil acceded to the Nuclear Non-Proliferation Treaty on September 18, 1998, ratified the Geneva Protocol on 28 August 1970, the Biological Weapons Convention on 27 February 1973, and the Chemical Weapons Convention on 13 March 1996.
Brazil is also an active participant in the International Atomic Energy Agency and the Nuclear Suppliers Group, multinational agencies concerned with reducing nuclear proliferation by controlling the export and re-transfer of materials that may be applicable to nuclear weapon development.
- Angra Nuclear Power Plant
- National Nuclear Energy Commission (CNEN)
- Brazilian-Argentine Agency for Accounting and Control of Nuclear Materials (ABACC)
- Argentinian nuclear weapons program
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