The US needs to significantly lift the pace of production of nuclear-powered submarines in order to sell several of the boats to Australia under the AUKUS agreement.

But more than two years after the US Congress authorised the Pentagon to award a major submarine-building contract, it remains unsigned.
What’s next?

The Navy says the contract is in the “final stages” of being awarded as an AUKUS supporter in Congress presses for the contract to be finalised.