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Australia, Japan Sign $7 Billion Warship Deal

April 18, 2026

2 min read

Key Takeaways

Australia and Japan signed a $7 billion warship deal.
The deal includes three upgraded Mogami-class frigates.
Eight more frigates will be built in Australia.
The ships will defend critical maritime trade routes.

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Strategic Implications

This deal may signal Japan's growing military presence and cooperation with other nations, which could strengthen its position in the Asia-Pacific region and potentially counter China's expanding military footprint. The partnership suggests a shift in Japan's defense strategy, which could have implications for regional security and the global defense industry.

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What Happened

Landmark Defense Contract Marks Japan's Largest Military Sale

Australia and Japan have signed contracts to launch their landmark $7 billion warship deal, with Mitsubishi Heavy Industries set to supply the Royal Australian Navy with three upgraded Mogami-class multi-role frigates. The deal marks Japan’s most consequential military sale since ending its military export ban in 2014. The ships will be designed to hunt submarines, strike surface ships, and provide air defense, and will be deployed to defend critical maritime trade routes in the Indian and Pacific Oceans. This development was first reported by Reuters.

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