In the control room of the American Virginia class attack submarine USS Minnesota, off the Western Australian coast, sonar operators adjust to the chatter of dolphins in new waters where the U.S. submarine presence will soon grow significantly.

Australia will get one of the most advanced and stealthy nuclear submarines in the world under the AUKUS partnership, as per the assurance given by a United States submarine commander who is visiting the country.

Sky News host Liz Storer reacts to comments made by former prime minister Malcolm Turnbull surrounding AUKUS. Mr Turnbull stepped up his criticism of the AUKUS deal, calling it “dumb and unfair to Australia”.