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Why is Australia buying second-hand submarines? | The World | ABC NEWS

Channel: ABC News (Australia) Published: 2026-06-01 07:15
ABC News (Australia)

The interview argues that Australia’s move to buy three second-hand Virginia-class submarines is still strategically sensible, mainly because it reduces complexity, cost, and the risk of a capability gap while AUKUS SSNs are still being developed. The guest says the Navy would not be worse off in the near term, and the option to add a fourth or fifth boat remains alive if delays to the AUKUS submarine program become serious.

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Detailed summary

This short ABC Australia segment centers on the government’s revised AUKUS submarine plan and whether shifting from a mix of new and used Virginia-class boats to three all second-hand submarines weakens Australia’s defense posture. Dr. Raji Rajagopalan’s core view is that the revised plan is still a good decision, not a retreat. Her main argument is that these are already in-service US submarines with substantial remaining life, so Australia can obtain meaningful capability sooner and with less program risk than waiting on a brand-new hull. She also emphasizes that the boats reportedly have about 33 years of service life, which she presents as enough runway for the plan to remain credible. A major theme is operational simplicity. …

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Main takeaways

  1. Australia’s three-submarine second-hand Virginia plan is presented as a pragmatic compromise, not a downgrade.
  2. The guest argues in-service submarines reduce complexity, cost, and maintenance burden versus mixing new and used boats.
  3. The key strategic objective is avoiding a gap before SSN AUKUS arrives.
  4. A fourth and fifth Virginia-class boat are not ruled out if AUKUS delivery slips.
  5. China is presented as the main external driver behind AUKUS and regional support for it.

Market read by horizon

Short term

Tactically, the key risk is whether the revised three-boat AUKUS plan is seen as a stopgap or a downgrade; any fresh delay in SSN AUKUS would quickly revive talk of buying more US submarines.

  • Immediate focus is the government’s procurement choice: three used Virginia-class boats instead of a mixed new/used package.
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  • The near-term risk is political or operational pushback if the revised plan is read as a capability downgrade.
  • Watch for any further official language about the fourth and fifth submarines; that would signal whether Canberra is keeping a contingency option open.
Mid term

Over the next few months, the base case is that Canberra sticks with the three in-service Virginia boats unless delivery slippage forces a policy reset. The real confirmation variable is whether AUKUS execution stays on schedule enough to avoid reopening the fourth-and-fifth-submarine option.

  • Over the next several weeks to months, the key question is whether the three-boat plan is treated as the final AUKUS pathway or a bridge to more purchases later.
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  • The base case in the interview is that the revised plan remains acceptable as long as SSN AUKUS stays on track and does not create a gap in Australian submarine capability.
  • If delays become visible, the market and policy debate would likely shift toward reinstating the option for additional US boats.
Long term

Longer term, the transcript points to a durable Indo-Pacific security regime in which Australia relies on allied nuclear-submarine access because domestic capability will take years to fully stand up. That makes AUKUS less a single procurement decision than a structural response to China’s military rise.

  • Structurally, the segment frames AUKUS as a long-horizon response to a more assertive China and a more contested Indo-Pacific.
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  • The durable thesis is that Australia needs flexible, allied submarine access because domestic nuclear-submarine capacity will take years to mature.
  • A lasting implication is that submarine procurement is becoming a multi-decade capability-management problem, not just a one-time fleet purchase.
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Key claims (6)

BULLISH Australian defense procurement Virginia class submarines

Australia’s move to buy three in-service Virginia-class submarines is still a good decision.

Guest says the submarines are recently taken into US Navy service and still have substantial remaining service life.

BULLISH defense logistics Virginia class submarines

A three-boat all second-hand plan reduces maintenance and supply-chain complexity versus a mixed fleet.

She argues fewer submarine variants are easier to maintain and operate.

NEUTRAL delivery timeline Virginia class submarines

Australia is still roughly looking at early 2030s delivery for the Virginia-class boats.

The guest gives a timeline estimate for when the subs would arrive in Australian waters.

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Assets discussed (3)

Virginia class submarines
MIXED other

The guest argues buying three second-hand Virginia-class boats is still a good decision, mainly for simplicity and cost, but notes the plan could expand if delays occur.

SSN AUKUS
NEUTRAL other

Used as the future program whose delay would change the procurement calculus; not an investable asset but a defense program driver.

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Speakers

SPEAKER Richard Marles GUEST Dr. Raji Rajagopalan

Interview (4 Q&A)

Virginia class submarines

What difference does it make to Australia's defense capabilities to limit purchases to second-hand Virginia class submarines instead of new ones? Will the Navy be worse off?

The speaker argues it's still a good decision because these are in-service submarines recently adopted by the US Navy with about 33 years of service life remaining. They come with cost benefits and avoid the complexity of operating four different submarine types (Collins class, two versions of Virginia class, and the new SSN AUKUS), reducing maintenance and supply chain challenges.

AUKUS deal evolution

Why was operational simplicity not factored in initially when the original deal was signed?

The speaker argues this is a very complex process for acquiring nuclear-powered submarines involving huge engineering and technical considerations. The more important thing is avoiding a capability gap and maintaining operational tempo, which is why the decision to go with in-service submarines was made.

submarine timeline

How soon do you believe Australia will actually get these submarines?

The speaker says they are looking at early 2030s for the three in-service Virginia-class submarines. If there is a delay with the SSN AUKUS, they may need to rethink and possibly go for another Virginia-class submarine.

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Where this transcript pushes against consensus

  • The guest treats second-hand Virginia-class submarines as clearly preferable, but does not provide detailed evidence on their actual combat value versus a new boat.
  • The claim that three in-service boats are sufficient rests on broad assurance, not on specific force-structure or readiness data.
  • The suggestion that fourth and fifth boats remain available is contingent and politically vague; the conditions for adding them are not clearly defined.
  • The interview does not address budget tradeoffs, industrial offsets, or the impact on US shipyard availability in any concrete way.

Topics

AUKUS submarine planVirginia-class submarinesSSN AUKUSAustralian defense capabilityChina and Indo-Pacific securitysubmarine procurement complexity

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