Japan’s Shift: Lifting Arms Export Ban, Considering Warship Purchases, and Youth Challenging Pacifism

New Zealand is evaluating the purchase of Japanese warships and missiles following Tokyo’s historic overhaul of arms export rules, a shift that could reshape Pacific defense procurement and deepen security ties between Wellington and Tokyo amid rising regional tensions.

The End of an Era: Japan’s Pacifist Policy Unravels

For over seven decades, Japan’s post-WWII pacifist constitution, particularly Article 9, strictly limited its military to self-defense and prohibited the export of lethal weapons. That framework began to erode in 2014 when the government reinterpreted the constitution to allow collective self-defense. The 2023 National Security Strategy marked a further pivot, identifying China’s military expansion and North Korea’s nuclear program as existential threats. By April 2024, Japan’s Cabinet approved a landmark policy shift authorizing the export of lethal arms, including missiles, fighter jets, and naval vessels, under strict conditions. This change was not merely procedural; it reflected a strategic recalibration driven by regional insecurity. The move has already enabled joint development projects with the UK and Italy on next-generation fighters and opened dialogue with Australia and the Philippines on defense equipment transfers.

New Zealand’s interest in acquiring Japanese defense matériel stems from its own urgent need to modernize an aging naval fleet. The Royal New Zealand Navy’s two Anzac-class frigates, Te Kaha and Te Mana, commissioned in the late 1990s, are nearing the end of their operational lives. A 2022 defense assessment concluded that replacing these vessels would require NZ$4–5 billion over the next decade. While New Zealand has traditionally looked to European or American suppliers—such as Spain’s Navantia or the U.S. Lockheed Martin—Japan’s entry into the arms market offers a compelling alternative: proven technology, lower lifecycle costs, and strategic alignment with a like-minded democracy.

A Shift in Pacific Power Dynamics

The potential sale carries implications far beyond bilateral trade. For Japan, exporting warships to New Zealand represents a milestone in its goal to become a “normal” military power capable of contributing to international peacekeeping. For New Zealand, it signals a diversification of defense partnerships away from overreliance on traditional allies. Analysts at the Lowy Institute note that such a deal could encourage other Pacific nations—like Fiji or Papua New Guinea—to consider Japanese equipment for maritime surveillance or disaster response, thereby expanding Tokyo’s soft power infrastructure across the region.

Critics, however, warn of risks. Some New Zealand pacifist groups argue that acquiring offensive-capable weapons contradicts the country’s longstanding nuclear-free and peace-oriented identity. In response, Defense Minister Judith Collins emphasized that any procurement would be strictly defensive: “We are not seeking strike capability. We need frigates that can protect our fisheries, respond to natural disasters, and operate alongside our partners in the Pacific.”

“This isn’t about militarism. It’s about mutual security in an era when coercive actions at sea are increasing. New Zealand deserves access to reliable, interoperable technology—and Japan has proven it can deliver.”

— Dr. Raewyn Elsegood, Senior Fellow in Defence Studies, Victoria University of Wellington, speaking at a Pacific Security Forum in Auckland on March 12, 2025.

The economic ripple effects could be significant. If a deal proceeds, Japanese manufacturers like Mitsubishi Heavy Industries and Kawasaki Heavy Industries would likely establish maintenance and training partnerships in New Zealand, potentially creating skilled jobs in shipbuilding hubs such as Auckland’s North Shore or Dunedin’s Hillside Workshops. A 2023 report by the New Zealand Institute of Economic Research estimated that defense-related industrial cooperation could add up to NZ$200 million annually to regional economies by 2030, particularly in technical training and logistics support.

Legal and Procurement Hurdles Remain

Despite the political openness, significant barriers exist. Japan’s export policy requires case-by-case approval by its National Security Council, end-user guarantees prohibiting retransfer without consent, and strict adherence to international humanitarian law. New Zealand, meanwhile, must navigate its own Public Finance Act and Defence Procurement Rules, which demand transparency, competitive tendering, and value-for-money assessments. A direct government-to-government sale would bypass standard bidding but would still require parliamentary oversight and public scrutiny.

Legal experts caution that any agreement must clearly define liability in the event of equipment failure or misuse. “New Zealand needs ironclad warranties and technology transfer clauses,” says Siobhan McIntyre, a public procurement lawyer at Chapman Tripp in Wellington. “If we’re investing billions in foreign-built warships, we must ensure we can maintain them independently and that intellectual property rights don’t leave us vulnerable to future supply chain disruptions.”

Historical precedents offer both hope and warning. Japan’s 2023 export of patrol vessels to the Philippines and Vietnam demonstrated its ability to deliver complex systems, but delays in Malaysia’s littoral mission ship program—due to software integration issues—highlight the risks of underestimating technical complexity. New Zealand would be wise to insist on joint development rights and access to source code for critical systems, a demand increasingly common in modern defense contracts.

As New Zealand weighs this pivotal decision, the broader lesson is clear: defense procurement is no longer just about ships and missiles. It’s about interoperability, industrial resilience, and long-term strategic autonomy. Municipal planners in port cities like Tauranga and Nelson should begin assessing quay upgrades and berthing capacity for larger frigates. Law firms specializing in international trade and defense compliance—such as those in the international trade attorneys network—will be essential in navigating export licensing and end-use monitoring. Meanwhile, marine engineering contractors in Auckland and Christchurch could position themselves as key partners in sustainment programs, ensuring that any acquisition delivers value not just at the point of sale, but for decades to come.

The Pacific is entering an era where maritime security is inseparable from economic security. Nations that fail to modernize their fleets risk losing not just strategic influence, but the ability to protect their fisheries, respond to climate-driven disasters, and uphold rules-based order at sea. For New Zealand, the choice isn’t merely between suppliers—it’s about what kind of maritime power it aspires to be in a volatile ocean.