The Treaty of Rarotonga: Signed, Yet Circumvented
The Chinese test took place within the South Pacific Nuclear-Weapon-Free Zone, established by the 1986 Treaty of Rarotonga, which China ratified in 1987. This treaty expressly prohibits nuclear weapons testing in the region and commits signatories to never threaten to use such weapons against countries with territory there. New Zealand has emphasized this obligation with particular insistence.
New Zealand’s Minister of Foreign Affairs, Winston Peters, described the incident as a “recurring pattern,” noting that this was the second such test in just a few years. He pointed out that Wellington had been notified only a few hours before the launch—a timeframe deemed unacceptable for an act of such strategic significance in an officially protected zone.
The 2024 Precedent, Still Fresh in Everyone’s Memory
This test is not an isolated incident. According to NPR, China had already conducted an intercontinental ballistic missile launch in the Pacific two years earlier—the first of its kind since 1980. Experts at the time interpreted this move as an assertion of Beijing’s status as a rising superpower, in an exercise modeled after those regularly conducted by the United States for its own ballistic arsenal.
Two tests in two years in a zone that is supposed to remain free of nuclear weapons is no longer a statistical coincidence—it is a doctrine. China wants the world to gradually get used to seeing it act as a full-fledged Pacific nuclear power.
Japan on High Alert as a Neighbor Becomes Increasingly Armed
Tokyo Steps Up Its Stance on Regional Security
Japanese Cabinet Secretary Kihara Minoru expressed “serious concerns” about the launch, stating that Japan would maintain the highest level of vigilance and surveillance in response to China’s military developments. He also accused Beijing of a lack of transparency, a criticism echoed almost word for word by other neighboring capitals.
The Japanese Ministry of Defense went a step further by explicitly calling on China to “reconsider” its missile tests so that the missiles no longer fly over Japanese territory or create additional security risks. This direct request has rarely been made with such firmness by Tokyo in recent years.
An escalation that comes amid an already tense regional climate
This launch comes as tensions between China and Japan remain high over several maritime and airspace disputes in the East China Sea. Each new display of Chinese military strength reinforces Tokyo’s conviction that Japan’s military must accelerate its own modernization—a decision that would have been unthinkable just a decade ago.
Japan has never been a warmongering country—far from it. But in the face of repeated Chinese provocations, even Tokyo is beginning to adopt a tougher stance. This may be the real outcome Beijing has achieved: uniting its once-cautious neighbors against it.
Washington: Absent from the notice, but not silent
The State Department Criticizes Lack of Transparency on Nuclear Matters
A notable point raised by analyst Lyle Morris: unlike Japan, New Zealand, and Australia, the United States received no prior notification of this test. State Department spokesperson Thomas Pigott condemned Beijing’s “rapid and opaque nuclear buildup,” which he described as a cause for concern for the region and the entire world.
Washington has reiterated its call for China to engage in meaningful arms control discussions and to commit to a regular notification mechanism for its intercontinental ballistic missile tests and space launches. This request has been made for years, but Beijing has yet to provide a concrete response.
An arsenal growing faster than the transparency that should accompany it
According to the Pentagon, China had approximately 600 nuclear warheads in 2024 and is expected to possess more than 1,000 by 2030. The Nuclear Threat Initiative also estimates China’s fleet at six ballistic missile submarines and 59 nuclear-powered attack submarines—a rapidly expanding arsenal that worries both military analysts and Western diplomats.
One can debate China’s official “no first use” doctrine—it exists on paper. But an arsenal that doubles in six years without corresponding transparency is not a reassuring sign; it is a gamble on Western passivity.
NATO's Low-Key Role in a Case That Seems So Distant
Rutte Links the Pacific to Ukraine
NATO Secretary General Mark Rutte commented on the missile launch just before the Alliance’s leaders’ summit in Turkey, stating that it sent a clear signal calling for heightened vigilance. He also highlighted the economic and diplomatic support that China continues to provide to Russia in the context of the war in Ukraine—a link that NATO now considers a given in its overall strategic analysis.
This comment illustrates a notable shift in Western doctrine: the Indo-Pacific and European theaters are no longer treated as separate issues, but as two sides of the same security equation in the face of the authoritarian axis formed by Beijing, Moscow, Tehran, and Pyongyang.
A strategic perspective increasingly shared in the West
More and more Western analysts believe that every Chinese provocation in the Pacific must be viewed in light of the conflict in Ukraine, as the two issues feed into one another in the calculations of authoritarian regimes. A West that wavers on Ukraine effectively encourages a more assertive China in the Pacific—and vice versa.
I’ve been saying this for months: China is closely watching the West’s resolve in the face of Russia. Every sign of weakness in Kyiv translates, sooner or later, into a bolder move in Taiwan or the Pacific. The issues are linked, whether foreign ministries like it or not.
Fiji: Between Diplomatic Caution and a New Agreement with the West
Rabuka Rejects Dramatization
Fijian Prime Minister Sitiveni Rabuka has adopted a decidedly conciliatory tone, stating that he does not anticipate severe retaliation from China following the mutual defense agreement signed with Australia. He emphasized that this pact does not jeopardize either Fiji’s or Australia’s relations with Beijing, summarizing his position with a straightforward statement: “Their enemies are not necessarily yours.”
This caution illustrates the delicate position of small Pacific nations, caught between the need for security offered by Western partnerships and their persistent economic dependence on Chinese investment in the region—a balance that Suva has been trying to maintain for years.
Australian Opposition Condemns Provocative Move
Shadow Foreign Minister Ted O’Brien openly criticized Beijing’s choice of timing, arguing that it stood in stark contrast to the spirit of cooperation demonstrated by Australia and Fiji on the same day. This bipartisan criticism shows that the issue transcends the usual political divides in Canberra.
Rabuka is right to want to preserve Fiji’s balance; it is a realistic stance for a small Pacific nation. But his optimism regarding the absence of Chinese retaliation warrants close monitoring in the coming months.
What This Test Reveals About China's Nuclear Doctrine
A Strategic Shift Toward Submarine Deterrence
Analyst Lyle Morris pointed out that this launch marked the first public acknowledgment of a ballistic missile test with a dummy warhead fired from a Chinese nuclear submarine that had traveled such a distance in the Pacific. According to him, this move demonstrates that China’s nuclear deterrent no longer relies solely on land-based missiles—a significant doctrinal shift for the entire region.
This diversification of China’s arsenal toward a submarine component that is more mobile and harder to detect considerably complicates the task of Western surveillance systems, which will now have to track a threat that is far more elusive than before.
Expert Drew Thompson highlights the real problem: a lack of transparency
Analyst Drew Thompson summarized the situation by explaining that China’s military modernization has proceeded without the necessary transparency and openness, fueling persistent uncertainty about Beijing’s true intentions. For most Western foreign ministries, this lack of structured dialogue remains the core of the problem, rather than military capability itself.
That is precisely the crux of the matter: not power in and of itself, but the total absence of shared rules of the game. A China that would accept a genuine mechanism for nuclear notification and dialogue would completely change the game.
The West's Diplomatic Response to an Expanded Authoritarian Axis
Increasingly Visible Coordination Among Australia, New Zealand, and Japan
The convergence of criticism from Canberra, Wellington, and Tokyo in the hours following China’s missile launch illustrates an increasingly well-established diplomatic coordination among these three Pacific democracies. This collective response—unthinkable a decade ago—reflects a shared awareness of China’s accelerating militarization in the region.
This regional solidarity is part of a broader trend in which Pacific and Atlantic democracies are beginning to align their positions in the face of authoritarian regimes, whether in China, Russia, Iran, or North Korea.
Collective deterrence still in its infancy
Despite this rhetorical convergence, no coordinated military or economic response has yet emerged in the face of this type of Chinese provocation—a strategic vacuum that several Western experts view as a cause for concern in the medium term, as Beijing steps up these calculated shows of force.
Condemnation is no longer enough. The West must now back up its verbal protests with concrete measures, or risk having China view each new provocation as having no real consequences.
Why This Test Matters Far Beyond the South Pacific
A Precedent for Taiwan and for Europe
The way the West responds to this type of Chinese provocation in the Pacific sends a direct signal to Taiwan, but also, indirectly, to Ukraine and the Baltic states threatened by Russia. A world in which China can test nuclear-capable missiles with impunity in a treaty-protected zone is a world in which Moscow also feels freer to test the limits of Western patience.
This link between the Asian and European theaters is no longer merely a hypothesis put forward by isolated analysts; it now openly shapes the discourse of NATO leaders, as demonstrated by Mark Rutte’s statement ahead of the Ankara summit.
Vigilance as the Only Realistic Short-Term Response
In the absence of an arms control mechanism with Beijing, heightened vigilance remains, for now, the only tangible response that Pacific democracies and their Western allies can offer in the face of this Chinese military buildup.
We cannot stress this enough in this column: China remains, in my view, the most profound and persistent long-term threat to the West. Russia strikes today; China prepares for tomorrow.
The 2024 Precedent and China's Growth Curve
An Increasing Pace of Missile Tests
Comparing the two tests in 2024 and 2026, several analysts note a troubling acceleration in the pace of China’s ballistic missile demonstrations in the Pacific. What was once an exceptional event is becoming a recurring tool of diplomatic pressure used by Beijing to test regional reactions.
This repetition, far from being insignificant, is part of a strategy of gradual normalization through which China seeks, test after test, to gain acceptance for a more assertive nuclear military presence in a region it increasingly views as its natural sphere of influence.
The risk of miscalculation remains very real
Minister Penny Wong has warned of the most tangible danger of this type of action: destabilizing actions can lead to miscalculations with unpredictable consequences—a risk that neither Canberra nor its regional partners can afford to ignore amid already high tensions.
This is perhaps the most serious warning in this entire matter: it is not the stated intention that is most concerning, but rather the risk of an accident or a mutual misreading of the situation that could escalate into an open crisis.
What This Means for Australia's Military Posture
An Agreement with Fiji That Takes on a Whole New Significance
The mutual defense agreement between Australia and Fiji, already significant in its own right, takes on added significance in light of the Chinese missile launch that occurred on the same day. It illustrates Canberra’s growing desire to forge a network of strong bilateral alliances throughout the South Pacific, rather than relying solely on its historic alliance with the United States.
This type of pact, which includes a mutual defense commitment in the event of an attack, marks a notable shift in Australian security doctrine, which has long been more cautious about making such formal commitments to its island neighbors.
A Region Quietly Rearming
Beyond the agreement with Fiji alone, Australia has been expanding its defense partnerships in the Pacific for several years—a fundamental shift that reflects growing strategic anxiety over China’s military expansion, which extends far beyond the issue of Taiwan.
Right before our eyes, we are witnessing the quiet formation of a Pacific security architecture that is far more robust than it was a decade ago. Paradoxically, through its own provocations, China is accelerating the very process it fears the most.
South Korea is also looking toward the Pacific with concern
Seoul, Also Concerned About the Implications of China’s Message
Although not directly mentioned within the firing range, South Korea is closely monitoring every Chinese ballistic missile demonstration, especially as it already has to contend with repeated provocations from North Korea. For Seoul, the combination of a more assertive China and an increasingly well-armed Pyongyang creates a security equation with two unknowns, each fueling the other.
This strategic proximity partly explains why South Korean President Lee Jae Myung chose to attend the NATO summit in Ankara that same week, seeking to more firmly anchor his country’s security to that of the Atlantic Alliance and its Indo-Pacific partners.
A Region Learning to Think Collectively About Its Security
The growing cooperation between South Korea, Japan, Australia, and New Zealand within NATO’s IP4 framework illustrates this regional realization: no Pacific democracy can afford to think about its security in isolation anymore, given the scale of China’s military modernization.
Seeing Seoul, Tokyo, Canberra, and Wellington converge so clearly on this issue reassures me just as much as the Ankara summit makes me cautious about Ukraine. It is proof that democracies still know, when the pressure becomes great enough, how to pool their strengths rather than scatter them.
Beijing's relative silence in the face of international criticism
A minimalist and well-rehearsed response
Faced with a wave of criticism from Australia, Japan, New Zealand, and the United States, Beijing offered a minimalist response, simply calling on the “countries concerned” to avoid overinterpreting the missile launch. This phrasing, already used in previous military incidents, illustrates a well-honed communication strategy aimed at minimizing the diplomatic impact of such episodes.
This approach to communication stands in stark contrast to the actual scale of the military event—a disconnect that several Western diplomats view as indicative of the scant regard Beijing has for the legitimate concerns of its regional neighbors.
Diplomacy by Fact of Completion
By carrying out this type of firing and then shifting the blame for the resulting concern onto those who voice it, China is employing a method already observed in other sensitive issues—from the South China Sea to the Taiwan Strait—where a fait accompli systematically precedes any form of dialogue.
This “don’t overreact” rhetoric following each provocation is beginning to resemble an automatic reflex rather than genuine diplomacy. By repeatedly sticking to the same line, Beijing risks, above all, permanently convincing its neighbors that no sincere dialogue with it is possible on this issue.
What the Coming Months Will Reveal About China's Path Forward
A Test of the Credibility of Strategic Dialogue
The real question raised by this missile launch is not so much its technical range as the response that the West and its Pacific partners will choose to give in the coming months. Will they continue to settle for statements of concern, or will they finally move toward concrete measures of coordinated deterrence against Beijing?
This question extends far beyond the South Pacific alone: it also shapes the credibility of the entire Western security architecture, at a time when it is already being tested by the war in Ukraine and ongoing tensions with Iran and North Korea.
An equation with many unknowns that will only grow more complex
With China’s rapidly expanding nuclear arsenal, a Russia still at war, and an increasingly provocative North Korea, the global security equation the West must solve will only grow more complex in the years ahead, making every signal of resolve or weakness all the more decisive.
I conclude this report with the conviction that this missile launch will be remembered as a turning point, not as an isolated incident. History will judge harshly the democracies that choose to turn a blind eye to this kind of signal.
Conclusion: A Signal the West Can No Longer Ignore
A Test That Confirms a Long-Term Trend
China’s ballistic missile test on July 6, 2026, is not an isolated diplomatic incident; it confirms a fundamental trend: a China that is increasingly confident in demonstrating its nuclear power, even in areas officially protected by international treaties that it has itself signed. Faced with this reality, the verbal criticism from Canberra, Wellington, Tokyo, and Washington is a necessary first step, but clearly insufficient.
Western vigilance must now translate into action
This report illustrates, once again, the need for the West to treat the Indo-Pacific and European theaters as two sides of the same battle for international stability, in the face of an increasingly coordinated authoritarian axis between Beijing, Moscow, Tehran, and Pyongyang.
I conclude this report convinced of one thing: verbal firmness will not suffice for much longer when dealing with Beijing. The time will come when the West will have to choose between concrete measures and the tacit acceptance of a new Chinese military normal in the Pacific.
By Maxime Marquette, columnist
Sources
Primary sources
ABC News Australia — China to Test Ballistic Missile in the South Pacific, July 6, 2026
Army Recognition — China submarine ballistic missile test in the Pacific, July 2026
Secondary sources
The Hindu — China test-launches a ballistic missile from a submarine in the South Pacific, July 2026
This content was created with the help of AI.