American StudiesPolitical studiesSecurity studies

Brazil might get nuclear-powered submarines even before Australia

The country has been working on the technology for decades

NUCLEAR SUBMARINES have caught the world’s eye in recent weeks. On September 15th America, Australia and Britain signed the “AUKUS” pact to help Australia build nuclear subs, a military capability so potent that America has never shared it with any ally other than Britain. That has whet appetites elsewhere. On September 26th two out of the four candidates to succeed Suga Yoshihide as leader of the LDP, and thus prime minister of Japan—including the frontrunner, Taro Kono—gave their backing for Japan to acquire its own nuclear-powered subs. Yet on the other side of the Earth from Perth, where the Australian boats may one day be based, another middle-ranking power has been quietly honing the same technology for far longer.

At the Itaguaí naval complex near Rio de Janeiro, and other sites scattered across Brazil, hundreds of engineers are slowly designing and piecing together parts of the Álvaro Alberto, a nuclear-powered submarine named after a former vice-admiral and pioneer of the country’s nuclear programme. If all goes to plan, it could land in the water at Madeira island in Itaguaí in the early 2030s, before Australia gets a sniff at its own subs. That would not only make Brazil the first non-nuclear-armed country to operate a nuclear-powered submarine; it would also bolster the country’s ambitions to become a major naval power.

Brazil’s armed forces began serious nuclear work in the 1970s, with an eye on eventually producing nuclear weapons. The navy was the spearhead of that effort, deploying hundreds of staff in a secret programme to spin uranium in centrifuges—a process that enriches it for use in reactors (or bombs)—and to build the miniature reactors that can fit inside the cramped hull of a submarine. This work survived the end of military rule in 1985. It then languished for a while, but received enthusiastic support from Luiz Inácio Lula da Silva, Brazil’s left-wing president from 2003 to 2010, who gave a big financial boost to the programme in 2007.

Progress has been slow, though Jair Bolsonaro, Brazil’s current president, attended a ceremony marking the initial assembly of a prototype reactor in Iperó, 120km north-west of São Paulo, in October 2020. A month later the navy finalised the boat’s basic design. That was in no small part thanks to Naval Group, the largely state-owned French arms company whose jilting last month by Australia, as part of AUKUS, provoked a diplomatic incident. Under a deal agreed in 2008 under Lula, Naval Group signed a contract with Odebrecht, a conglomerate now synonymous with corruption, to sell advanced diesel-electric submarines to Brazil (one of those boats, the Humaitá, is pictured above) and help it with the non-nuclear aspects of the Álvaro Alberto in Cherbourg and Itaguaí.

Many see Brazil’s quest for nuclear subs as a quixotic frippery. It is “a mad indulgence of Lula’s boom era”, says one foreign diplomat, “not unlike the new stadiums for the 2014 World Cup.” Brazilian officials justify the programme by pointing to a doctrine known as the “Blue Amazon”, a term coined by the navy. It refers to the country’s 8,000km-long coastline, the economic riches that lie off it and the importance of defending them against possible predators. In 2010 Brazil unilaterally expanded its exclusive economic zone beyond the standard 200 nautical miles set out by the UN Convention on the Law of the Sea (see map).Yet one of the world’s stealthiest military platforms might be considered overkill for protecting fish, guarding oil rigs and warding off Argentine warships that are no longer hostile. Diesel-electric submarines, which are quieter in shallow water, and far cheaper to build, would be better suited to coastal defence. One reason for the programme’s survival may be that it has friends in high places. The minister of mines and energy, for instance, is a former admiral who commanded Brazil’s submarine force and ran the navy’s nuclear work. Mr Bolsonaro, a former army officer himself, has stacked his government with military personnel and hiked the armed forces’ budget this year (though the amount for subs was shrunk by 31%, amid a wider fiscal crisis).There are geopolitical factors at work, too. The subs have justified the need to master the complete fuel cycle—the process of mining, milling and enriching nuclear fuel—and thus placed Brazil “in the threshold between being a nuclear state and not being a nuclear state”, says Carlo Patti, a professor at the Federal University of Goiás and author of the book “Brazil in the Global Nuclear Order”. That means the country can produce its own nuclear energy, without seeking help from rich countries which, in Brazil’s view, have monopolised such technology on the pretext of non-proliferation. It also means that Brazil could produce weapons-grade uranium if it so chose. Both capabilities are sources of “political and technological prestige”, says Mr Patti.For largely the same reason, they make non-proliferation advocates nervous. Brazil once had a secret weapons programme, after all, and in 2019 Mr Bolsonaro’s son, a member of congress, said that Brazil would be “taken more seriously” if it had nukes. Whereas most countries have signed a so-called Additional Protocol with the International Atomic Energy Agency, a nuclear watchdog, which allows for enhanced inspections, Brazil has long refused to do so, on the basis that nuclear-armed states have not done enough to disarm.

In practice, though, the subs are not a big cause for concern. Brazilian nuclear material is monitored under a special bilateral pact with Argentina in 1991. And unlike British and American subs, which use uranium enriched to the high levels suitable for a bomb, Brazil’s planned reactor will use low-enriched stuff that would need to be spun further to use for nefarious purposes. Brazilian naval officers are keen to show that their programme is above-board and would not like to be lumped in with nuclear pariahs like Iran. “I’m not concerned,” says Togzhan Kassenova, an expert on non-proliferation at the State University of New York at Albany. “They want to position themselves as an open, responsible and legitimate programme with nothing to hide.”

A nuclear submarine is one of the most sophisticated and complex pieces of military hardware that any country can build. The construction is hard enough; keeping a reactor safe in a pressurised underwater tube is just as challenging. Yet Brazil’s programme has now survived military and civilian governments, and presidents of both the left and right. Its survival owes much to Lula, who has said he will run in next year’s presidential elections and enjoys a commanding 18-percentage-point lead over Mr Bolsonaro. “The project appears to be irreversible,” noted Ms Kassenova and two other experts who visited the Itaguí shipyard in 2018. No country below the equator has ever owned or operated a nuclear-powered submarine. Brazil and Australia will now be vying to get there first.

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SAKHRI Mohamed

I hold a bachelor's degree in political science and international relations as well as a Master's degree in international security studies, alongside a passion for web development. During my studies, I gained a strong understanding of key political concepts, theories in international relations, security and strategic studies, as well as the tools and research methods used in these fields.

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