Australia's AUKUS deal is facing additional pressures as the US is calling for an increase in defence spending.
The US and the United Kingdom have both launched reviews into the multi-billion-dollar submarine deal amid production and tariff-based concerns.
Australian correspondent Murray Olds says costs have already blown out to over $400 billion and counting.
LISTEN ABOVE

Mike Thornton: solicitor on the Lower Hutt couple who refused to disclose they had a dog to their landlords
03:27

Karl Dean: Federated Farmers Dairy Chair on Fonterra reporting a 2.8 percent lift in first-half net profit to $750 million
02:08

Shane Jones: Associate Energy Minister on the Government relaxing standards to allow Australian-standard fuel into NZ
04:13