Anthony Albanese said his ambassador was doing a fantastic job and Trump's negative comments were "banter".
The deal is expected to be the focus of talks between US President Donald Trump and Australian Prime Minister Anthony Albanese on Monday.
The White House has put the landmark agreement between the US, UK and Australia under review.
It comes as Australia faces pressure from the White House to dramatically lift its military spending.
A deal for nuclear submarine reactors is agreed between the Ministry of Defence and Rolls-Royce.
ABP announces a masterplan to increase capacity as part of an international agreement.
The defence secretary reaffirmed the UK's commitment to Aukus on a tour of a Sheffield steel maker.
Local general election candidates should say whether they support the plan or not, campaigners say.
The firm is recruiting people to work on new reactors which will power a fleet of submarines.
