The changing Arctic environment is creating new challenges for submarine detection, driving demand for distributed sensors, uncrewed underwater vehicles and real-time acoustic modelling.
It will be nearly 20 years before Australia gets its hands on a first SSN, but in the meantime a new base will be established on the country's east coast.
There is potential for future Asian imports of Russian equipment to be hammered hard, and for increasing difficulties in maintaining current equipment, after Putin's ill-advised invasion of Ukraine.