Australia Papua New Guinea set to sign mutual defence pact

Australia Papua New Guinea set to sign mutual defence pact

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Photo:AP

Australia and Papua New Guinea are preparing to sign a powerful new defence agreement that promises both nations will stand by each other if either one faces an armed attack. The treaty, which will be officially signed on Wednesday in Port Moresby by Australian Prime Minister Anthony Albanese and Papua New Guinea’s Prime Minister James Marape, comes at a symbolic time — just as Papua New Guinea celebrates 50 years of independence from Australia.

A Commitment to Protect Each Other

The agreement makes it very clear: if one country is attacked in the Pacific region, the other will treat it as a threat to its own peace and security. Both countries will respond together to face such danger, though each will act according to its own constitutional rules. This step shows how closely Australia and Papua New Guinea want to work to protect stability in the Pacific, where new challenges are beginning to emerge.

One special feature of this deal is that it allows citizens of both nations to serve in each other’s armed forces. This opens a new chapter of defence cooperation, strengthening bonds not just between governments but also among ordinary people who wish to contribute to their countries’ safety.

Why This Pact Matters Now

For years, China has been increasing its presence in the Pacific region, pouring billions of dollars into hospitals, sports stadiums, roads, and other major projects in island nations. This strategy has helped Beijing grow its influence, with some countries like Solomon Islands, Kiribati, and Nauru switching their diplomatic recognition from Taiwan to China.

Australia, which sees itself as a key partner and protector of Pacific nations, has been working harder in recent years to stay engaged. The defence pact with Papua New Guinea is seen as part of this effort to ensure that the Pacific remains stable, sovereign, and not dominated by outside powers.

Just last week, Prime Minister Albanese traveled to Vanuatu to discuss a similar security agreement. While that deal wasn’t signed yet due to concerns about certain details, the visit showed Australia’s determination to deepen ties across the Pacific.

Independence Celebrations Delay the Signing

The signing of the defence treaty was expected to happen earlier, but Papua New Guinea’s cabinet could not finalize it on Monday because of the independence celebrations. Large crowds gathered in Port Moresby on Tuesday for a colorful flag-raising ceremony. People from the country’s hundreds of tribes wore traditional outfits, celebrating half a century since the nation gained independence from Australia in 1975.

Prime Minister Albanese explained that many leaders were away in their home provinces to celebrate the anniversary, which meant there were not enough members present in parliament to approve the deal. He assured, however, that the treaty would move forward the following day.

Papua New Guinea’s Key Role in the Pacific

Papua New Guinea is the largest and most populated country in Melanesia, lying just north of Australia. Its size, resources, and location make it an important partner for regional security. By signing this defence treaty, PNG is showing that it values a close security relationship with Australia, while also signaling to the wider Pacific community that it wants to maintain peace and independence in the region.

The treaty follows another major agreement signed by the two countries in 2023, which already strengthened cooperation in security and law enforcement. This new step, however, is even more significant because it includes a promise of mutual defence.

A Message to the Region

Both leaders have stressed that the agreement is not about threatening anyone but about ensuring peace and stability. The treaty mentions that both nations are “resolute in working together to support a peaceful, stable, prosperous region that is respectful of sovereignty.” This means they want to keep the Pacific as a place where nations can make their own decisions without outside interference.

As the Pacific faces growing competition between big powers, this defence pact sends a strong message that Australia and Papua New Guinea will not stand alone. Instead, they will support each other, ensuring that their people remain safe and that the Pacific continues to be a secure and independent region.

Sept. 16, 2025 11:56 a.m. 2124
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