Jul 23, 2026 – 10.30pmDefence Minister Richard Marles is set to announce a further $4.6 billion investment in the Osborne shipyard, the South Australian facility vital to delivering the AUKUS nuclear-powered submarine program.The funding boost, due to be disclosed on Friday, adds to a $3.9 billion commitment in February for the construction yard that will support Australia’s future submarine fleet.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles