Australian Nuclear Submarines

Australia is to become the only non-nuclear nation to have nuclear-propelled submarines which will be built in cooperation with the US and the UK.

It is the first initiative of a new enhanced trilateral security partnership announced by the leaders of the three nations in a joint statement today (16 September 2021).

The ANI has long followed the Australian submarine program with articles on progress with the replacement of the Collins Class submarine, including analysis and commentary on whether the decision to build diesel-electric submarines in Australia was the best solution; the costs of that decision; and the time it would take to deliver on it.

The Australian Naval Institute will continue to provide a range of reports, analysis and commentary.

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Used Virginia-class subs for Australia

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Defence minister Richard Marles  has said Australia is saving money and simplifying the navy by taking old...

Korea’s plan for nuclear sub

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On Tuesday, May 26, South Korea’s Ministry of National Defense announced the “Basic Plan for the Development...

A fallback for risky Collins LOTE

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By Richard Gray*  The reduced Collins-class submarine Life-of-Type Extension (LOTE) program, announced on 19 May, will cost more...

ANAO report on Collins Class Life of Type Extension

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On 22 May 2026 the Australian National Audit Office (ANAO) released its report Defence’s Collins Class Submarines...

Collins class life extension

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On 19 May the Commonwealth Government announced its approach to extending the service life of the RAN’s...

Re-sequencing SNN-AUKUS

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By Nathaniel England* In light of recent developments, Australia needs an alternative approach for transitioning to SSN-AUKUS. Under...

Port Kembla cited as N-sub base

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A proposed nuclear submarine base in Port Kembla “could be a target for Australian military adversaries”, previously...

Russian N-subs in the Pacific?

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By Carl Janz* Strategists in Canberra should factor in the plausible risk of Russian participation in a Western...

Naval defence without AUKUS Pillar I

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By Michael Keating and Jon Stanford* Back in 2021, the then prime minister, Scott Morrison announced the AUKUS...

UK ‘unserious’ about naval defence

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By Jake Thrupp and Alastair Walton* Australia should have a big concern. Britain, a country that Australia is relying...

Pakistan Navy commissions first Hangor-class submarine

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On 30 April the commissioning ceremony for the first of the 2,800 tonne Type 039B Hangor class...

AUKUS cracks are showing: UK inquiry

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“Cracks are already beginning to show” in the UK’s funding for the AUKUS agreement, according to a...

Third Invincible-Class submarine arrives in Singapore

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On 9 April the arrival or ‘homecoming’ ceremony for the Republic of Singapore Navy’s (RSN) Invincible-class submarine,...

New Virginia class sub commissioned

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The U.S. Navy officially commissioned its newest nuclear attack submarine during a Saturday ceremony at Boston Harbor,...

AUKUS subs or none: Defence chief

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Australia will be left with no submarines if it abandons the Aukus deal with the US and...

UK to buy AUKUS tech from US

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The government of the United Kingdom (UK) has requested to buy submarine combat and weapon systems, technical...

JAUKUS possibility grows closer

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By Ryosuke Hanada* JAUKUS may yet be possible. I argued in 2023 that Japan couldn’t be added to...

Keeping Collins operational

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The Government has held its fourth Product of Concern Summit in Canberra on Monday 2 March 2026...

Deficiencies in US submarine munitions

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By Alana Davis* In 2023, the Center for Strategic and International Studies (CSIS) wargamed a conflict between the...

UK sub into China’s backyard

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The Royal Navy submarine HMS Anson made a stop at Gibraltar late last month, part of a...