RUSI NewsbriefEmerging Researchmembers only

Can AUKUS Submarines Protect Australia’s Maritime Trade?

Michael Clarke and James Laurenceson
21 October 2026clock12 Minute Read
Royal Navy Astute-class submarine, HMS Anson, departs HMAS Stirling following the Submarine Maintenance Period in Western Australia.

Secure presence : Royal Navy Astute-class submarine, HMS Anson, departs HMAS Stirling following the Submarine Maintenance Period in Western Australia. Image: LSIS Shaun Chatfield © Commonwealth of Australia

Nuclear-powered submarines offer Australia only limited protection for its maritime trade, and the cost of acquiring them crowds out better economic-security investments.

Please wait while we verify your account for you to view this content.

WRITTEN BY

Michael Clarke

View profile

James Laurenceson

Guest Contributor

View profile

Explore our related content

    Stay up to date with RUSI