Albanese dismisses Aukus concerns as submarine shipyard cost revealed to be $30bn

Prime minister commits $3.9bn as down payment' for Adelaide facility to eventually build nuclear-powered vessels

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At least $30bn will be spent building a construction yard to eventually build nuclear submarines for Australia under the Aukus agreement, despite doubts over the deal.

The prime minister, Anthony Albanese, announced on Sunday the federal government had pledged $3.9bn as a down payment" to secure the future of the submarine construction yard in the northern Adelaide suburb of Osborne.