Australia already has the same level access to US tech. When the dust settles, you will find that AUKUS is more about the UK and Australia opening up more to each other. Expect an upcoming agreement.
https://www.abc.net.au/news/2007-09-...hnology/660820
2007...The US has agreed to upgrade Australia's access to American military technology and it will be lifted to the same level as Britain has.
The US agreement..
Defence Trade Co-operation Treaty,
UK signed in Sept 2007
https://www.armscontrol.org/act/2007...eration-treaty
Australia signed in November 2007
https://www1.defence.gov.au/business...s-trade-treaty