Vice-Admiral Expects Used AUKUS Submarines to Have 20-year Lifespan
The Australian Submarine Agency has revealed that discussions about changes to the AUKUS programme began 18 months ago.

TL;DR
- Australia will receive three used submarines under the AUKUS deal.
- The submarines are approximately six years old and have a 20-year remaining lifespan.
- This is a change from the original plan of one new and two in-service submarines.
- The transfer of these submarines will occur after extensive maintenance in the United States.