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Australia, Japan sign contracts to start $7 billion warship deal

Published by Global Banking & Finance Review

Posted on April 18, 2026

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· Last updated: April 18, 2026

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Australia, Japan sign contracts to start $7 billion warship deal
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SYDNEY, April 18 (Reuters) - Australia and Japan signed contracts on Saturday launching their landmark A$10 billion ($7 billion) deal to supply Australia with warships, Tokyo's most consequential

Australia and Japan Formalize $7 Billion Warship Agreement to Bolster Security

Landmark Defence Deal Strengthens Regional Security Ties

Overview of the Agreement

SYDNEY, April 18 (Reuters) - Australia and Japan signed contracts on Saturday launching their landmark A$10 billion ($7 billion) deal to supply Australia with warships, Tokyo's most consequential military sale since ending a military export ban in 2014.

Details of the Signing Ceremony

Defence Ministers Richard Marles and Shinjiro Koizumi signed a memorandum "reaffirming the Australian and Japanese governments' shared commitment to the successful delivery" of the warships, Marles said in a statement.

Strategic Importance of the Deal

The deal struck in August anchors Japan's push away from its postwar pacifism to forge security ties beyond its alliance with the U.S. to counter China.

Warship Production and Deployment

Mitsubishi Heavy Industries is to supply the Royal Australian Navy with three upgraded Mogami-class multi-role frigates built in Japan from 2029. Eight more frigates will be built in Australia.

Transition to Domestic Shipbuilding

Japan's Defence Ministry posted on X that Koizumi and Marles welcomed the "conclusion of contracts for General Purpose Frigates, and confirmed to further strengthen bilateral defense ties" in the signing in Melbourne.

Contracts were signed for the first three frigates, to be built in Japan, before there is a "transition to an onshore build" at the Henderson shipyard near Perth in Western Australia, Marles said.

Implications for Regional Security

Australia plans to deploy the ships - designed to hunt submarines, strike surface ships and provide air defence - to defend critical maritime trade routes and its northern approaches in the Indian and Pacific Oceans, where China's military footprint is expanding.

Financial Context

($1 = 1.3955 Australian dollars)

Reporting Credits

(Reporting by Sam McKeith in Sydney; Editing by William Mallard)

Key Takeaways

  • The A$10 billion deal represents Japan’s most significant military export since it relaxed its arms export restrictions in 2014, highlighting its strategic shift beyond pacifism (apnews.com).
  • MHI’s upgraded Mogami‑class frigates—featuring stealth design, advanced sensors, a 32‑cell Mk 41 VLS, and crew reduction to ~90—were chosen over Germany’s MEKO A‑200 based on cost, capability, and delivery schedule (apnews.com).
  • The program includes capability building in Australia: first three frigates built in Japan (ready from 2029/2030) and remaining eight constructed at Henderson shipyard in Western Australia, bolstering local industry and strategic defense ties (en.wikipedia.org).

References

Frequently Asked Questions

What is the value of the warship deal signed between Australia and Japan?
The deal is valued at A$10 billion, equivalent to approximately $7 billion USD.
How many warships will Australia receive under the agreement with Japan?
Australia will receive a total of 11 frigates—three built in Japan and eight constructed in Australia.
Who are the main manufacturers involved in the Australia-Japan warship deal?
Mitsubishi Heavy Industries will supply the initial three upgraded Mogami-class multi-role frigates.
What is the main purpose of the new frigates for Australia?
The frigates are designed to hunt submarines, strike surface ships, and provide air defence for maritime trade routes.
When will the first frigates be built and where?
The first three frigates will be built in Japan starting from 2029, with subsequent construction transitioning to Australia.

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