Imagining a Much Bigger Australian Surface Combatant Fleet

Peter Layton

The Royal United Services Institute (RUSI) is the world’s oldest and the UK’s leading defence and security think tank. Our mission is to inform, influence and enhance public debate to help build a safer and more stable world.

Read more about RUSI

Quick links

Latest news on the Israel-Gaza war

Explore our content

On the Brink: Can All-Out War Between Israel and Hizbullah be Avoided?

clockLong Read

Israel’s Targeting AI: How Capable is It?

clock5 Minute Read

Episode 69: The Middle East Crisis: Approaching the Endgame?

clock53 Minute Listen

Latest news on the war in Ukraine

Explore our content

Weathering the Storm: Western Security Assistance on the Defensive in Ukraine

clockLong Read
RUSI ReflectsMembers only

RUSI Reflects: Two Years into Russia's Invasion of Ukraine

clock10 Minute Watch

Recording: Russia's Invasion of Ukraine, Two Years On

clock60 Minute Watch
The Crisis over Ukraine and European Security

Access our comment and analysis on the Ukraine crisis as the situation unfolds.


RUSI Combat Air Conference 2024

Bringing the air power community together for an essential discussion and debate on how NATO countries can meet their defence and deterrence needs. Conference ticket prices from £175 + VAT, with member discounts and military concessions available.

become a member

Join our network


  • A busy programme of members' only events
  • Access to a suite of RUSI publications
  • Access to experts, networks and research teams

  • 192

    Years of defence and security thought leadership

  • 90+

    Active agenda-setting research projects and initiatives

  • 170

    Events, conference and workshops ran in 2023

  • 3,800+

    RUSI Members support our work

Latest publications

View all publications

    Subscribe to our newsletter


    • Antisemitism a Threat to Democracy - Ambassador Deborah Lipstadt Addresses RUSI

      clock1 Minute Read
    • General Sir Jim Hockenhull Speaks at RUSI for the Launch of the Profession o...

      clock1 Minute Read
    • Director of the Serious Fraud Office Nick Ephgrave QPM Speaks at RUSI

      clock1 Minute Read