The United Kingdom and Australia will sign a new five-decade treaty to cement the AUKUS submarine pact and bolster shipbuilding in both countries as the Trump administration continues to scrutinise the ambitious technology-sharing deal, the ABC reports.
The new pact was announced by Foreign Minister Penny Wong and Defence Minister and Deputy Prime Minister Richard Marles — along with their British counterparts David Lammy and John Healey — in the wake of annual AUKMIN talks in Sydney on 25 July 2025.