The government will explore joining a defence alliance signed between Australia and Fiji, Prime Minister Christopher Luxon confirmed on Monday, saying engaging with both countries on the pact "is logical" RNZ.

The pact, known as the Ocean of Peace Alliance and also referred to as the Veitacini Treaty, was signed in Fiji on Monday DFAT. It commits Canberra and Suva to "cooperate and consult" and to "act to meet common danger" RNZ. Australian ministers have described it as a "mutual defence treaty" RNZ. Luxon said the agreement meant Fiji and Australia had committed to becoming "military allies," a development he said New Zealand welcomed.

The Beehive released a formal statement on the matter, confirming Wellington's interest in exploring membership Beehive. No decision has been made. Cabinet has yet to sign off on any move to join, and officials will now hold discussions with Canberra and Suva about what New Zealand's interest in the alliance might look like in practice.

Luxon said he had spoken directly to both the Australian and Fijian prime ministers about the treaty. He argued there was a strategic advantage to New Zealand joining at an early stage rather than waiting: doing so, he said, "would be a good thing" because it would give Wellington a say over which other Pacific states are subsequently admitted. The treaty's text allows other Pacific nations to join, but only with the agreement of both Australia and Fiji — meaning New Zealand's leverage over the alliance's future membership is greatest if it gets in on the ground floor rather than applying later.

Defence Minister Chris Penk framed the move within New Zealand's existing bilateral posture, saying Wellington remains committed to deeper defence and security cooperation with Fiji specifically, separate from the question of formal alliance membership.

Foreign Minister Winston Peters linked the timing of the announcement to a Chinese ballistic missile test conducted in the South Pacific not long after the Fiji signing. Peters said the launch was "at odds with the spirit and intent of the Blue Pacific Ocean of Peace" — an implicit rebuke delivered through the language of the very framework New Zealand is now considering joining. He also stressed continuity rather than departure, noting Pacific leaders have for decades operated on the principle of Pacific-led responses to regional security issues, and said the new alliance underscores that approach rather than supplanting it.

The sequencing here is worth setting out plainly, because it forms the entire basis for the story. Australia and Fiji signed their bilateral treaty on the Monday. China's missile test followed shortly after. Peters's statement responded to the test using the alliance's own framing language. And Luxon's confirmation that New Zealand will explore membership came on the same day the Beehive published its release. Officials will now need to work through what obligations — cooperation and consultation duties, and the "common danger" clause in particular — a New Zealand accession would actually impose, given the country's longstanding preference for multilateral Pacific forums such as the Pacific Islands Forum over bilateral or trilateral security pacts with binding mutual-defence language.

That last point is where this gets genuinely interesting for anyone who follows New Zealand's defence settings closely. Wellington has traditionally kept a degree of distance from formal alliance structures beyond ANZUS-adjacent arrangements and Five Eyes intelligence sharing, preferring the flexibility of bilateral defence cooperation agreements and Pacific-wide security declarations. A "common danger" clause of the kind Australia and Fiji have adopted sits closer to classical mutual-defence treaty language than anything New Zealand has signed onto in the Pacific to date. Whether Cabinet is prepared to accept that kind of binding commitment, or whether it will seek a lesser form of association short of full membership, is the question officials will need to resolve before any formal decision goes back to ministers.

The China dimension adds another layer. Peters's choice to invoke the Ocean of Peace framing directly against Beijing's missile test signals that the alliance's language is already being used as a diplomatic yardstick for acceptable regional conduct, even before New Zealand has decided whether to sign on. If Wellington does join, it would be doing so partly in response to, or at least alongside, a moment of heightened South Pacific tension involving a strategic competitor — a context that will shape how the negotiations with Canberra and Suva are read regionally, whatever the substance of the final agreement turns out to be.

No timeline has been set for when Cabinet might take a final position. The Beehive statement leaves the door open on scope, meaning New Zealand's eventual role — full alliance member, associate, or something short of either — remains an open question pending further talks.