Simpler' stopgap nuclear subs plan swaps new for used

Australia’s defence strategy is moving toward a simpler stopgap by purchasing three Virginia-class submarines already in service, rather than a mix of new and used US vessels. Defence Minister Richard Marles described the trilateral AUKUS plan as 'incredibly complicated' and said a simpler pathway would benefit crews and the maintenance pipeline by ensuring all boats are of the same type. The announcement came from a major summit in Singapore, where officials framed the move as a cost-saving measure with little material impact on the overall defence budget. Officials stressed that standardising the fleet would streamline training and operations for Australian submariners and support staff. Under the original AUKUS arrangement, Australia would receive a mix of new and used Virginia-class submarines from the early 2030s, with US propulsion and some British-built components, but Washington has struggled to provide enough boats. Marles noted that producing sufficient submarines for both the United States and allied partners has been challenging, prompting questions about timing before Australia's Collins-class fleet retires. The plan shift coincides with broader talks to develop unmanned undersea vehicles as part of the pact’s second pillar, aimed at protecting undersea cables and pipelines. US Secretary of War Peter Hegseth described the UUV initiative as delivering a suite of adaptable payloads to sustain an advantage in the maritime domain.