The announcement came Monday at an event at a San Diego, California, naval base where President Joe Biden hosted Australian Prime Minister Anthony Albanese and British Prime Minister Rishi Sunak.
With a US Virginia-class nuclear submarine moored behind the trio's podium, Biden said the United States had "safeguarded stability in the Indo-Pacific for decades" and that the submarine alliance would bolster "the prospect of peace for decades to come."
As Biden stressed, Australia, which joined a newly formed alliance known as AUKUS with Washington and London 18 months ago, will not be getting nuclear weapons.
However, acquiring stealthy submarines powered by nuclear reactors puts Australia in an elite club and at the forefront of US-led efforts to push back against Chinese military expansion.
Albanese said the deal represents the biggest single investment in Australia's defense capability "in all of our history."
The submarines are expected to be equipped with cruise missiles that can strike foes from long distances, offering a potent deterrent to would-be attackers.
Albanese predicted that the wider economic impact at home would be akin to the introduction of the automobile industry in the country after World War II.
The Australian government estimates the multi-decade project will cost almost $40 billion in the first 10 years, and create an estimated 20,000 jobs.
Albanese underlined that Australia was now only the second country, after Britain, to be granted access to US naval nuclear secrets. "We are bound, above all, by a world ... where peace and stability and security ensure greater prosperity," he said.
Three conventionally armed, nuclear-powered Virginia class vessels will be sold "over the course of the 2030s," with the "possibility of going up to five if that is needed," Biden's national security advisor, Jake Sullivan, said.
Britain and Australia will then embark on building a new model, also nuclear-powered and carrying conventional weapons, dubbed the SSN-AUKUS. This will be a British design, with US technology, and "significant investments in all three industrial bases," Sullivan said.
- Defense spending on the rise -
While Australia has ruled out deploying atomic weapons, its submarine plan marks a significant new stage in the confrontation with China, which has built a sophisticated naval fleet and turned artificial islands into offshore bases in the Pacific.
In the face of the Chinese challenge -- and Russia's invasion of pro-Western Ukraine -- Britain is also moving to beef up its military capabilities, Sunak's office said Monday.
More than $6 billion in additional funding over the next two years will "replenish and bolster vital ammunition stocks, modernize the UK's nuclear enterprise and fund the next phase of the AUKUS submarine program," Downing Street said.
Australia had previously been on track to replace its aging fleet of diesel-powered submarines with a $66 billion package of French vessels, also conventionally powered.
The abrupt announcement by Canberra that it was backing out of that deal and entering the AUKUS project sparked a brief but unusually furious row between all three countries and their close ally France.
Compared to the Collins-class submarines due to be retired by Australia, the Virginia-class is almost twice as long and carries 132 crew members, not 48.
However, the longer-term upgrade will require a long wait.
A senior US official said that the British navy should get its "state of the art" SSN-AUKUS vessels in the late 2030s and Australia only in the early 2040s.
In the meantime, Australian sailors, engineers and other personnel will be training with their US and British partners to acquire expertise, while British and US submarines make regular visits to Australian ports.
China warned that AUKUS risks setting off an arms race and accused the three countries of setting back nuclear nonproliferation efforts.
"We urge the US, the UK and Australia to abandon the Cold War mentality and zero-sum games, honor international obligations in good faith and do more things that are conducive to regional peace and stability," Chinese foreign ministry spokeswoman Mao Ning told reporters in Beijing.
The communist country's leader, Xi Jinping, made a fiery statement last week accusing the United States of leading a Western effort at "all-round containment, encirclement and suppression of China."
But Washington says Beijing is alarming countries across the Asia-Pacific with its threats to invade the self-governing democracy of Taiwan, as well as highlighting the threat from nuclear-armed North Korea.
"What we've seen is a series of provocative steps that China has undertaken under the leadership of Xi Jinping over the last five to 10 years," the senior US official said. "This is an attempt to defend and secure the operating system of the Indo-Pacific."
Submarine deal highlights concerns over rising Chinese power
Washington (AFP) March 13, 2023 -
A landmark nuclear submarine pact between the United States, Australia and Britain underscores concerns over growing Chinese military power, but it will be years before the new vessels can help counter Beijing's efforts to expand its reach and influence.
The deal -- part of an agreement known as AUKUS -- will see Australia replace its diesel-powered submarines with nuclear-powered ones that have far greater stealth and range, first through purchases from the United States and later with domestically produced vessels.
But the effort faces challenges including a long timeline and the need for expanded production capacity, while China is currently improving its armed forces and aggressively pursuing territorial claims in the Indo-Pacific, threatening Washington's long-held military edge in the region.
"Each nation has a slightly different rationale for AUKUS, but it largely boils down to China," Charles Edel, a senior advisor at the Center for Strategic and International Studies, said at a recent event.
"China was not mentioned when AUKUS was first announced, although the exponential growth of Beijing's military power and its more aggressive use over the past decade was the clear animating force behind it," he said.
The United States views China as its most consequential challenge, and is seeking to deter military action by Beijing, especially when it comes to Taiwan.
US officials say China wants its military to be ready to invade Taiwan -- the self-ruled island that Beijing considers part of its territory and has vowed to take one day, by force if necessary -- by 2027.
But Australia will not receive the first of its nuclear-powered submarines -- Virginia-class vessels purchased from the United States -- until the 2030s, meaning they would be too late to help head off Chinese military action before then.
- 'Significant improvements' needed -
"It's well known that we have a deterrence challenge now and not one that materializes around 2040," said Edel. "The challenge here is how AUKUS can begin contributing solutions to the set of challenges now."
Moving from Australia's current Collins-class submarines to the Virginia class will also be a major change for Canberra's navy, with some versions of the new submarines being nearly twice as large and requiring more than double the number of sailors.
The AUKUS partnership was first announced in 2021 and was followed by an 18-month consultation period, with the leaders of Australia, Britain and the United States announcing the results on Monday at a naval base in the US state of California.
The aim is for Australia to deliver a domestically produced nuclear-powered submarine known as SSN-AUKUS in the early 2040s, a senior US administration official told journalists ahead of the announcement.
It will be based on Britain's design for its next-generation attack submarine while also incorporating technology from the Virginia class.
The AUKUS submarine deal "is going to require significant improvements" in "industrial bases in all three countries," the official said.
There have been concerns that AUKUS could impact submarine production for the US Navy, and Representative Rob Wittman of the US House Armed Services Committee said construction for Australia cannot come at the expense of that needed for American forces.
"AUKUS will not realize its full potential if the overall number of submarines crewed by AUKUS members in the Pacific does not increase above current shipbuilding plans over the next decade -- our shared strategic environment demands nothing less," he said in a statement.
Edel said the production capacity of shipyards in all three countries is "an open question," adding: "The ambition is to expand shipbuilding here. The question is how quickly this can be accomplished."
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