Indonesia, Australia to Expand Security Ties with Japan & PNG | Gaza Troop Deployment Ready

JAKARTA – Indonesia and Australia are deepening their security cooperation, announcing plans to include Japan and Papua New Guinea in expanded trilateral arrangements. The move, revealed Thursday by Indonesian Defence Minister Sjafrie Sjamsoeddin following talks with Australian Deputy Prime Minister and Minister for Defence Richard Marles, signals a significant broadening of regional security efforts. This development comes less than a month after the two countries signed a security treaty committing them to mutual consultation in the event of threats to either nation.

The planned expansion focuses on establishing dedicated security frameworks: one encompassing Indonesia, Australia, and Japan, and another linking Indonesia, Australia, and Papua New Guinea. While details remain limited, officials confirmed a commitment to increased intelligence sharing between Indonesia and Australia, a key component of the evolving partnership. This enhanced collaboration in the Indo-Pacific region reflects a growing need for coordinated responses to shared security challenges, including maritime security and regional stability.

Australian Deputy Prime Minister and Minister for Defense Richard Marles meets with Indonesia’s Defence Minister Sjafrie Sjamsoeddin in Jakarta, Indonesia, March 12, 2026. (REUTERS/Willy Kurniawan)

Strengthening Regional Defence Infrastructure

Beyond the trilateral arrangements, discussions also centered on potential infrastructure improvements. Sjamsoeddin indicated plans to develop a defence training facility on Morotai Island in North Maluku, aiming to upgrade existing defence infrastructure. “We will work together to improve and utilise it,” he stated. The facility is envisioned to host military personnel from several nations, including the Philippines, Australia, and Singapore, alongside a similar training center currently under development in North Kalimantan in partnership with Singapore. This expansion of training opportunities underscores a commitment to interoperability and joint readiness among regional partners.

The move to broaden security ties comes as Indonesia navigates a complex geopolitical landscape. Sjamsoeddin also addressed Indonesia’s potential contribution to an international security force in Gaza, stating readiness to deploy troops, but contingent on the evolving situation involving the U.S. President Donald Trump’s Board of Peace and the broader conflict in the Middle East. Initially prepared to send 20,000 troops, Indonesia is now prepared to deploy 8,000 troops in phases, a reduction prompted by increased commitments from other participating nations.

“The president has instructed us to prepare our troops, and we are ready to act, but we are awaiting developments from the BOP. Confirm anything yet because the situation is very dynamic,” Sjamsoeddin added.

Implications for Regional Security

The deepening security partnership between Indonesia and Australia, and its expansion to include Japan and Papua New Guinea, reflects a concerted effort to bolster regional stability and address shared security concerns. The focus on intelligence sharing and joint training initiatives suggests a move towards a more coordinated and proactive approach to security challenges in the Indo-Pacific. The development of new defence facilities also indicates a long-term commitment to enhancing regional defence capabilities.

As these trilateral arrangements capture shape, the focus will likely turn to defining specific areas of cooperation and establishing clear protocols for joint operations. The evolving dynamics in the Middle East and the role of the U.S. President’s Board of Peace will also remain key factors influencing Indonesia’s potential involvement in international security efforts. The coming months will be crucial in solidifying these partnerships and translating them into tangible security benefits for the region.

What are your thoughts on this expanded security cooperation? Share your perspectives in the comments below.

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Alexandra Hartman Editor-in-Chief

Editor-in-Chief Prize-winning journalist with over 20 years of international news experience. Alexandra leads the editorial team, ensuring every story meets the highest standards of accuracy and journalistic integrity.

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