The United States will only send used nuclear-powered submarines to Australia as part of an agreement to "streamline" the AUKUS defence deal in a move branded on Sunday as a "cost-effective" by Defence…

Minister at Singapore defence summit also reveals Australia to buy only second-hand Aukus submarines from US

The US has again demanded its allies step up their military budgets at a high-level international defence meeting in Singapore.

US to send only used nuclear subs to Australia in amended defence deal