Reports that North Korea may send as many as 30,000 additional troops to support Russia’s war in Ukraine should be assessed as more than a mere transaction of manpower. Although their immediate impact on the battlefield could be limited, the long-term strategic consequences could extend far beyond the European continent.
North Korean personnel could gain sustained exposure to modern warfare. Meanwhile, Russia could compensate Pyongyang with weapons, production assistance, satellite and missile technology, and other types of military support.
Nineteenth-century Europe offers a useful precedent. In 1855, the Kingdom of Piedmont-Sardinia joined Britain, France, and the Ottoman Empire in the Crimean War against Russia. Piedmont’s expeditionary forces did not determine the outcome of the Crimean War. Instead, Piedmont converted a limited contribution in a remote conflict into diplomatic access, great-power sponsorship, and an improved status vis-à-vis Italy and Austria.
Piedmont’s Strategic Transaction
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Despite the absence of a direct territorial interest in Crimea, Piedmont-Sardinia participated in the Crimean War. Prime Minister Camillo di Cavour fully understood that Piedmont could not challenge Austria’s superiority in Italy through its power alone. It therefore necessitated a suitable place at the diplomatic table after the Crimean War.
As a result, Piedmont dispatched approximately 15,000 troops. Although their contribution was notable, it was far from decisive. A larger compensation followed afterwards: Cavour was able to participate in the 1856 Congress of Paris and raise Italian matters before the major powers.
Eventually, participation in the Crimean War elevated Piedmont’s reputation as a useful military partner, strengthened its relationship with Britain and France, and internationalized what had been treated as Italy’s regional issue. In 1858, Cavour secured Napoleon III’s commitment to support Piedmont against Austria, paving the way for French military intervention in 1859. A relatively small expeditionary force sent to Eastern Europe indirectly contributed to a major revision of the regional order in Southern Europe.
North Korea’s Possible Crimean War Strategy
North Korea and Piedmont-Sardinia are two very different countries, but the strategic mechanism is comparable.
Similar to Piedmont, North Korea is contributing its military manpower to a war far from its major regional objectives. Like the Cavour government, Pyongyang could expect benefits that exceed the direct value of the troops it deploys.
The benefits could take four forms.
First, North Korean forces could gain additional combat experience in drone operations and electronic warfare. They could also learn how to conduct operations under constant surveillance and communications jamming.
Second, North Korean officers could develop regular relationships with the Russian military command, defense firms, training institutions, and intelligence agencies. The most important benefit that Piedmont obtained was access to stronger states, rather than specific weapons platforms. Institutional access could prove more important to North Korea than any single weapons delivery.
Third, Russia could provide advanced weapons or technological assistance. Such assistance could include missile guidance, military satellites, air defense, fighter jets, submarine technology, electronic warfare, and weapons production.
Fourth, Moscow could offer further diplomatic and political support. Russia could proactively protect North Korea from outside pressure, weaken the implementation of international sanctions, and complicate international responses to future provocations.
Consequences for Europe and Northeast Asia
In Europe, the deployment of 30,000 additional troops would demonstrate that Russia can draw substantial manpower from a non-European partner despite the West’s efforts to isolate it. North Korean forces could preserve defensive perimeters, conduct infantry attacks, support engineering operations, and free Russian units for more demanding missions.
A broader political effect would be the normalization of interregional military exchanges. Asia’s manpower and weapons would influence the European battlefield, while Russian technologies and battlefield knowledge could alter Northeast Asia’s balance of power.
To be sure, returning forces would not make North Korea conventionally superior to the United States and South Korea on the Korean Peninsula. South Korea would continue to maintain major advantages in aircraft, naval power, surveillance, communications, precision weapons, and industrial capacity.
The analogy should not be overstated, but the underlying strategic mechanism remains consequential. North Korea would be better able to withstand the initial stages of a conflict, disrupt allied operations, and conduct limited attacks while believing that it could control escalation.
Enhanced drone and electronic warfare capabilities supported by Russia could complicate efforts by the United States and South Korea to detect mobile missile launchers or protect command networks. Moreover, North Korea’s better dispersion, concealment, and deception could reduce the alliance’s effectiveness in conducting precision strikes. Improved coordination among artillery, missile, drone, and cyber operations could place greater pressure on airbases, armored units, ports, command centers, and missile defense bases.
Moscow’s political support could also change Pyongyang’s risk calculations. Pyongyang might conclude that Russia’s support could offer a greater window of opportunity to conduct maritime provocations, drone penetrations, limited border attacks, or coercive military demonstrations.
Policy Agenda for Stability
The United States, Japan, South Korea, Ukraine, and selected European governments should establish a standing intelligence mechanism centered on Russian compensation to North Korea.
Potential transfers should be divided into three categories: incremental assistance, such as tactical devices and rudimentary drones; operationally important assistance, including electronic warfare, air defense, and precision guidance; and transfers that cause strategic instability, involving nuclear, missile, submarine, and satellite technology.
The participating governments should agree in advance on evidentiary standards and corresponding consequences. This would prevent delays and fragmented responses once the transfers have already occurred.
They should also identify Russian military units, research institutes, defense firms, and logistics organizations that interact with North Korean personnel. Entities responsible for prohibited transfers should be subjected to targeted asset freezes, export controls, travel restrictions, and secondary sanctions.
South Korea should institutionalize battlefield-learning cooperation with Ukraine. A bilateral working group should review North Korea’s command practices, electronic signal attributes, drone usage, artillery procedures, engineering capabilities, and adaptation processes. These lessons should be directly incorporated into alliance exercises.
Special attention should be paid to how returning veterans are absorbed. Intelligence agencies should monitor whether they become instructors, are promoted, join new drone or electronic warfare units, or participate in doctrinal revisions.
The alliance should also deny Pyongyang any limited-warfare advantages. To that end, the United States and South Korea should accelerate the deployment of low-cost drones and counter-drone systems, strengthened and dispersed communications networks, deception systems, rapid runway repair capabilities, and lower-tier air defenses. Exercises should assume continuous drone surveillance and electronic jamming.
Lastly, crisis-management mechanisms should be preserved. Stronger deterrence should be paired with restored military communication channels, better procedures for maritime and drone incidents, and clearer signaling about the alliance’s response to limited attacks.
Preparing for the War after the War
Piedmont-Sardinia joined the Crimean War because Cavour understood that participation in a distant conflict could secure the very influence and support that could alter the regional order at home.
North Korea might be making a comparable calculation.
Hence, the central question is not whether 30,000 troops could tip the balance in Ukraine. It is whether Pyongyang could turn its personnel into Russian technology, combat experience, institutional access, and political protection—and then use these elements to change the balance of risk on the Korean Peninsula.
Stability necessitates preventing such a transition from creating confidence in aggression. Europe and Northeast Asia should jointly monitor such transactions between Russia and North Korea, regulate unacceptable transfers, penalize responsible organizations, learn from Ukrainian battlefield evidence, and adjust the alliance’s defense posture before North Korea’s veterans effectively reshape its military.
