Australia and Japan have signed contracts to launch a $7 billion warship deal. The agreement strengthens defence cooperation and reshapes regional security dynamics. It also supports efforts to counter growing military influence in the Indo-Pacific region.
Australia’s Deputy Prime Minister and Defence Minister Richard Marles and Japan’s Defence Minister Shinjiro Koizumi signed the memorandum in Melbourne. The agreement confirms delivery of advanced Mogami-class frigates to the Royal Australian Navy. Officials described it as a major step in bilateral defence relations.
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Under the deal, Japan will supply three upgraded frigates built by Mitsubishi Heavy Industries starting in 2029. Eight additional warships will later be constructed in Australia. The agreement marks one of Japan’s largest defence exports since lifting its military export restrictions.
The frigates are designed for anti-submarine warfare, surface combat, and air defence operations. Australia plans to deploy them across key maritime routes in the Indo-Pacific. The move comes amid concerns over expanding regional naval activity and strategic competition.
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Officials said the partnership reflects deepening security alignment between the two countries. Analysts note it also signals Japan’s broader shift toward a more active defence posture. The deal is expected to strengthen long-term military cooperation in the region.