Australia and Japan step up defence ties amid evolving regional security landscape

The agreement builds on a series of recent milestones, including the 2022 Joint Declaration on Security Cooperation, the 2023 Reciprocal Access Agreement and the establishment of the Framework for Strategic Defence Cooperation late last year. Together, these initiatives have laid the groundwork for closer operational integration between the two countries.

Prime Minister Albanese said the partnership comes at a critical time. “In a complex strategic environment, cooperation between Australia and Japan is essential to maintaining a peaceful, stable and prosperous region,” he said.

The latest measures focus on improving interoperability between the two nations’ defence forces, with priorities including expanded intelligence sharing, joint development and sustainment of defence capabilities, and more advanced weapons testing.

Both countries have also committed to increasing the scale and sophistication of joint training and exercises, along with closer cooperation on logistics, maintenance and the protection of critical supply chains and maritime trade routes.

“Enhanced defence and security cooperation between Australia and Japan increases interoperability between our defence forces, ensuring Australia and Japan can work closely together to support regional peace and security,” Prime Minister Albanese said.

Deputy Prime Minister and Defence Minister Richard Marles said the agreement would allow both nations to operate more effectively together. “Our enhanced defence cooperation with Japan means our forces can train, plan and operate together with greater sophistication – strengthening our combined capability and supporting deterrence,” he said.

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The announcement also highlights growing defence industry links, particularly following Australia’s decision to acquire an upgraded variant of Japan’s Mogami Class frigates under its general purpose frigate program.

Foreign Minister Penny Wong said the strengthened partnership reflects a broader shared outlook. “As special strategic partners, Australia and Japan are stepping up our defence and security cooperation as part of our efforts to ensure a peaceful, stable and prosperous region,” she said.

“In these uncertain times, middle powers must keep working together for a free and open Indo-Pacific, and a world where no country dominates and no country is dominated.”

Stephen Kuper

Steve has an extensive career across government, defence industry and advocacy, having previously worked for cabinet ministers at both Federal and State levels.