Australia has decided to purchase three in-service Virginia-class nuclear-powered submarines from the United States under the AUKUS agreement, marking a significant deviation from the original deal parameters. According to reports from USNI News, this change was announced by US Defence Secretary Pete Hegseth, along with Australian and British counterparts Richard Marles and John Healey, during the Shangri-La Dialogue defence summit in Singapore last week. The original agreement had called for two used submarines and one brand-new vessel, with the new model scheduled for delivery as early as 2032. The AUKUS nations on the weekend agreed on an updated plan to contain costs and streamline the historic security pact, with the first three Australian purchases of US-built nuclear-powered submarines being confined to three used vessels instead of the original combination.
Defence Minister Richard Marles explained that the decision to change the parameters was made to simplify Australia's future submarine operations. As reported by USNI News, Marles stated that three used submarines will provide a simpler and more cost-effective pathway to acquiring three Virginia-class submarines. While the overall cost savings would be minor, they are described as welcome improvements to the acquisition strategy. The change addresses the need for operational stability and the reality of American shipbuilding bottlenecks. Former prime minister Scott Morrison has also endorsed the updated plan, stating it will simplify AUKUS while dismissing recent criticism of the nuclear-powered submarine project as coming from predictable quarters.
The AUKUS agreement, announced in September 2021 by the US, UK and Australia, represents a $235 billion security pact primarily viewed as a counterweight to China's growing military influence in the Indo-Pacific region. According to a BBC report, the deal focuses on providing Australia with elite nuclear propulsion technology and collaboration on advanced capabilities. The original parameters specifically called for two used submarines and one brand-new vessel to bridge Australia's capability gap while the country develops the infrastructure to build the SSN-AUKUS submarine model, scheduled to come online in the 2040s.
Australia plans to extend the lifespan of its current diesel-electric Collins-class submarines and introduce a mixed fleet of new and used Virginia models would have meant the Royal Australian Navy operating up to four distinct classes of submarines at once. As reported by USNI News, Defence Minister Marles noted that this would get complicated in terms of fleet operations. By acquiring three submarines of the exact same model, Australia drastically reduces its maintenance, supply chain, and training burdens. The Virginia-class submarines will allow the Royal Australian Navy to operate at greater distances and conduct long-range strikes against adversaries for the first time.
