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UK and Australia deepen AUKUS submarine pact with 50-year treaty

Published by Global Banking & Finance Review

Posted on July 24, 2025

2 min read

· Last updated: January 22, 2026

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UK and Australia deepen AUKUS submarine pact with 50-year treaty
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LONDON (Reuters) -Britain said on Thursday it would deepen its AUKUS nuclear submarine partnership with Australia through a new 50-year treaty that it expected to create jobs and boost British exports

UK and Australia Strengthen AUKUS Submarine Agreement with 50-Year Pact

Strengthening the AUKUS Partnership

LONDON (Reuters) -Britain said on Thursday it would deepen its AUKUS nuclear submarine partnership with Australia through a new 50-year treaty that it expected to create jobs and boost British exports.

Economic Impact of the Treaty

Australia, Britain and the U.S. agreed the AUKUS pact in 2021 to provide Australia with nuclear-powered attack submarines from the next decade to counter China's ambitions in the Indo-Pacific.

Defense Collaboration and Job Creation

However, U.S. President Donald Trump launched a formal review of the pact last month to examine whether it met his "America First" criteria. Australia has said it is confident the partnership will proceed.

Geopolitical Context of AUKUS

The new British-Australian treaty will underpin each country's submarine programmes and is expected to be worth up to 20 billion pounds ($27.1 billion) to Britain in exports over the next 25 years, its ministry of defence said.

The bilateral treaty comes as Britain's defence and foreign ministers travel to Australia to meet their counterparts as well as visit the northern garrison city of Darwin, as Australia hosts its largest-ever military exercise.

"AUKUS is one of Britain's most important defence partnerships, strengthening global security while driving growth at home," British defence minister John Healey said. "This historic treaty confirms our AUKUS commitment for the next half century."

At its peak, there will be over 21,000 people in Britain working on the AUKUS programme, Britain said.

($1 = 0.7377 pounds)

(Reporting by Sachin Ravikumar; editing by William James)

Key Takeaways

  • UK and Australia sign a 50-year AUKUS submarine treaty.
  • The treaty aims to boost British exports and job creation.
  • AUKUS pact counters China's Indo-Pacific ambitions.
  • The agreement is valued at up to 20 billion pounds.
  • Over 21,000 UK jobs will be supported by the AUKUS program.

Frequently Asked Questions

What is the purpose of the new AUKUS treaty?
The new British-Australian treaty will underpin each country's submarine programmes and is expected to be worth up to 20 billion pounds in exports over the next 25 years.
How many people will be employed in the AUKUS programme at its peak?
At its peak, there will be over 21,000 people in Britain working on the AUKUS programme.
What was the original agreement of the AUKUS pact?
Australia, Britain, and the U.S. agreed the AUKUS pact in 2021 to provide Australia with nuclear-powered attack submarines from the next decade to counter China's ambitions in the Indo-Pacific.
Who is the British defence minister commenting on the treaty?
British defence minister John Healey stated that AUKUS is one of Britain's most important defence partnerships, strengthening global security while driving growth at home.
What recent action did U.S. President Donald Trump take regarding the AUKUS pact?
U.S. President Donald Trump launched a formal review of the pact last month to examine whether it met his 'America First' criteria.

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