How We Turn the Northern Sea Route into an Advantage

As the Northern Sea Route gains global significance, Russia’s tightening control threatens to turn it into a geopolitical chokepoint. Yet the NSR could become an advantage rather than a vulnerability if Indo-Pacific and Nordic partners combine commercial capacity with allied Arctic security tools. Here’s how to flip the script.

Arctic Portal, Northern Sea Route Information Office

In response to these disruptions, a North Pacific-Nordic alignment is beginning to take shape. Instability across global trade routes only heightens the relevance of the NSR. The joint 2026 US-Israeli military operation against Iran has closed the Hormuz Strait, while shipping through the Suez Canal remains severely constrained due to the threat of attacks by Iran and its Houthi proxies in the Red Sea. The cumulative cost of these disruptions is immense. A long-term closure of the Strait of Hormuz alone could impose losses on the global economy estimated between $330 billion and $2.2 trillion.

In search of some relief during this crisis, many of America’s allies are likely to look north to the Arctic. For South Korea and Japan—advanced maritime nations highly exposed to chokepoints—the NSR offers an alternative artery for trade. Both countries have signaled not only a willingness to explore the NSR commercially but also an interest in playing a meaningful defense role in partnership with NATO allies across the Arctic. In February 2026, Canada opened a consulate in Nuuk, Greenland’s capital, and signed an agreement with South Korea on the protection of military and defense-related classified information, mirroring the Canadian-Japanese Agreement on the Security of Information concluded in July 2025. These initiatives demonstrate Ottawa’s determination to participate in joint maritime mobility efforts stretching from the High North to the North Pacific.

All of these adjustments open the door to a new North Pacific-Nordic alignment. Finland, Iceland, the Kingdom of Denmark (including Greenland and the Faroe Islands), Norway and Sweden collectively possess Arctic infrastructure, governance credibility and operational expertise that make them natural partners for Seoul and Tokyo. The NSR may run along Russia’s coast, but the supporting systems that enable commerce through it—shipbuilding, departure ports, insurance, safety standards, logistics hubs, and monitoring—do not have to be Russian. With the right architecture, allies can operate the NSR with military surveillance, communications networks, and logistical support underpinning it, allowing commercial actors to navigate with predictability and safety.

South Korea and Japan are already positioning themselves for this future. Both view the NSR as a way to bypass the vulnerabilities of Hormuz and Suez, shorten transit time by up to ten days, and reduce fuel consumption by an estimated 25 per cent. South Korea aims to make Busan an Indo-Pacific NSR hub, with plans for industrial clusters focused on ice-capable shipbuilding, green fuels, and Arctic port operations. South Korea’s Ministry of Oceans and Fisheries is preparing a September 2026 container transit of the NSR to test the viability of emulating China’s Arctic container route, launched in 2025. South Korea’s shipyards lead the world in building large ice-class commercial carriers, while Japan has unique experience constructing research icebreakers, giving Tokyo a technological foundation highly transferable to Arctic shipping.

Japan’s northern ports on Hokkaido and Honshu are ideally positioned to support routes linking the North Pacific, the Arctic, and Europe. Together with Busan, they can form a Pacific gateway feeding into Nordic ports along the NSR’s western approach. On the European side, Norwegian ports such as Kirkenes and Tromsø, along with hubs in Iceland, can serve as transfer points between NSR shipping and North Atlantic routes. These nodes could support bunkering, maintenance, cold-weather trials, and certification for Arctic-capable vessels.

Denmark and Norway, with their large merchant fleets and strong safety reputations, could contribute Arctic-ready commercial vessels to joint Indo-Pacific-Nordic operations. Shared best practices in insurance, risk management, and routing, combined with joint training and crew-exchange programs, would further strengthen maritime resilience. Merchant fleets would become strategic enablers of a Western-aligned Arctic maritime system rather than merely commercial assets.

Still, Russia’s attempt to monopolize access and escort rights along the NSR poses operational risks. Allied icebreaking capability is therefore essential. The United States, Canada, and Finland are jointly expanding icebreaker production under the ICE Pact, enabling the provision of non-Russian escort services. This reduces dependence on Russia’s state-controlled icebreaker fleet and undermines Moscow’s claim that only Russian pilots and icebreakers may operate along the route. Under the Law of the Sea, if a waterway functions as an international strait, all vessels enjoy the right of innocent passage even when portions include internal waters. Regular allied transits, including by research vessels from Norway, Denmark, Canada, South Korea, and Japan, can help reinforce that legal principle. Russia may contest early attempts, but establishing consistent practice is crucial before a full icebreaker-assistance and innocent-passage regime can take hold.

Security cooperation can further mitigate Russian control. NATO’s Arctic Sentry vigilance activity, launched in February 2026, provides integrated monitoring across the High North. Combined with new air and maritime infrastructure in Norway, Finland, and Sweden, this gives commercial actors greater visibility and reduces exposure to operational unknowns. Within this framework, NATO allies can track Russian naval movements, monitor waters adjacent to NSR, and produce shared intelligence that South Korea and Japan can use for Arctic route planning.

Taken together, these elements—North Pacific logistics hubs, Nordic infrastructure, non-Russian icebreaking assistance, allied surveillance and legal reinforcement of innocent passage—can turn the NSR from a vulnerability into an advantage. Rather than allowing Russia and China to set the terms of Arctic navigation, the United States and its allies can shape a stable, commercially viable, and legally grounded operating environment. If implemented with ambition, this approach would safeguard maritime freedom, expand global trade options, and strengthen Western strategic influence in the Arctic.

A crucial next step is to anchor the emerging Indo-Pacific-Nordic alignment in a more durable security framework than ad hoc cooperation. Commercial actors can generate early momentum, but only government-level planning can guarantee that the NSR becomes a resilient maritime corridor rather than a fair-weather experiment. This requires treating the NSR not as a discrete route, but as part of a broader Arctic operating system spanning communications, sensing, logistics, and force posture. The Arctic’s harsh environment and vast distances mean that small gaps in surveillance, satellite coverage and search-and-rescue capacity quickly become strategic vulnerabilities. Closing those gaps is essential if allies want to operate with confidence near a region where Russian and Chinese military activity is increasing.

The Nordic countries have already laid the foundation for such a system. They are accelerating a shift from national to integrated Arctic domain awareness, combining maritime patrol aircraft, satellite constellations, undersea sensors, and intelligence sharing. The addition of Finland and Sweden to NATO makes it possible to knit national systems into a coherent northern surveillance architecture extending from the Baltic to the Arctic Ocean. Linking this network with Japanese and South Korean advanced space and maritime monitoring capabilities would allow the allies to create a shared operational picture across the entire NSR corridor. Such visibility would give commercial shippers unprecedented predictability while limiting Russia’s ability to manipulate information about ice conditions, traffic flows, or incidents at sea.

A second pillar is allied mobility. The Arctic environment punishes platforms not specifically designed for it, which is why strengthened allied ability to move forces, supplies, and commercial cargo along Arctic routes is essential to avoiding reliance on Russian infrastructure. Coordinating airfields, ports, pre-positioned equipment, and fuel stocks would allow them to sustain both routine commercial operations and emergency responses, even during periods of friction with Moscow. Canada and the Nordic states have the geography. South Korea and Japan have world-class shipbuilding and logistics industries. Together they could field an Arctic-ready commercial and naval support fleet capable of operating independently of Russian services.

Finally, establishing regular, lawful allied presence along the NSR is critical. If the route is to evolve into a corridor governed by international norms rather than Russian discretion, freedom-of-navigation practice needs to be continuous and multinational. Mixed flotillas of research vessels, ice-capable commercial ships, and allied icebreakers can steadily socialize the principle that the NSR is not a Russian internal waterway but an international passageway. The goal is not confrontation, but normalization, so that the rules of the High North reflect global interests—not unilateral control. A stable, accessible NSR strengthens the resilience of the world’s maritime system and positions Indo-Pacific and Nordic partners as co-architects of the Arctic’s future.

Liselotte Odgaard is a nonresident senior fellow at Hudson Institute. She recently published Closing the Arctic Gaps: NATO Allies and Partners Can Protect Their Homelands by Updating Their Defense Force Postures.