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Estonia has signed a $341 million contract to procure six South Korean-made K239 Chunmoo self-propelled multiple launch rocket systems, marking a significant expansion of the country’s long-range strike and deterrence capabilities amid heightened regional security concerns.

The contract was signed between the Estonian Centre for Defense Investments and the South Korean defense firm Hanwha Aerospace under a government-to-government framework.

Deliveries of the Chunmoo systems are expected to begin in the second half of 2027, with full arrival in Estonia within two years. The agreement includes launcher systems, three types of missiles, training, operational support, and platform modifications tailored to Estonian operational conditions. It also contains options for additional systems in the future.

Estonian officials have described the acquisition as a key step in strengthening both national defense and NATO’s collective deterrence posture on the alliance’s eastern flank, particularly in light of lessons drawn from the war in Ukraine.

Complementing HIMARS

Estonia already operates U.S.-made HIMARS systems and views the Chunmoo acquisition as a complementary capability rather than a replacement. Defense Minister Hanno Pevkur said the addition of a second multiple launch rocket system is strategically necessary to ensure redundancy, flexibility, and sustained firepower.

“We already have a deep-strike capability in the form of HIMARS, but creating a second complementary system is extremely necessary,” Pevkur said. He noted that Chunmoo’s current maximum range reaches up to 300 kilometers, with ongoing development aimed at extending that range to approximately 500 kilometers in the future.

According to the Ministry of Defense, the Chunmoo systems will significantly enhance Estonia’s ability to strike targets deep inside an adversary’s territory, improving deterrence by increasing both the scale and survivability of its long-range fires.

Lieutenant Colonel Meelis Laanemets of the Defense Forces Headquarters said the additional rocket artillery would allow Estonia to “significantly increase its ability to strike targets deep within the adversary’s territory,” adding that alongside HIMARS, Chunmoo is “certainly a good choice for this purpose.”

Technical Differences and Operational Advantages

While Chunmoo and HIMARS offer broadly comparable ranges when firing long-range missiles, including systems similar in reach to the MGM-140 Army Tactical Missile System, officials and industry representatives have highlighted important differences between the two platforms.

Billy Boo Hwan Lee, head of the precision-guided munitions business at Hanwha, said the key distinction lies in launcher configuration and payload flexibility.

“Compared to HIMARS, there’s only one pod. We’re using two pods. It means we are to double the capacity,” he said. “We are using, for example, on the left side, an 80-kilometer missile, and on the right side, a 290-kilometer-range missile. We are also using dual-use. It means we are providing faster operational capability.”

Estonian officers have also pointed out trade-offs between the systems. Laanemets noted that Chunmoo’s greater firepower makes it heavier, while HIMARS is lighter and offers higher strategic mobility.

Training requirements for both systems are broadly similar, and Estonia plans for missile artillery personnel to be qualified on both platforms. South Korean personnel are already assisting with Chunmoo-related training.

Industrial Investment and Local Defense Development

Beyond the hardware itself, the contract includes a substantial industrial cooperation component. Under the framework agreement, Hanwha Aerospace will invest approximately one-fifth of the total contract value into Estonia’s defense industry over the next decade.

This is expected to translate into between $44 million and $66 million in direct returns to Estonian defense companies through industrial partnerships, local production, and support activities.

Katri Raudsepp, Acting Director General of the Estonian Centre for Defense Investments, said the investment component was a key element of the deal, aimed at strengthening Estonia’s domestic defense ecosystem and long-term sustainment capacity.

Estonia has also proposed establishing a Hanwha service and spare parts center in the country and is planning the development of a defense industry park near Parnu. South Korean companies are expected to be involved in local component production and ammunition manufacturing as part of broader industrial cooperation.

Delivery Timelines and Broader Procurement Context

Lengthy delivery times across the global defense sector have been a persistent concern since the outbreak of the war in Ukraine. Pevkur said Estonia’s major procurements have largely stayed on schedule, although some individual delays have occurred.

One such delay affects the delivery of the IRIS-T medium-range air defense system, which is now expected to arrive several months later than originally planned. Pevkur said Estonia agreed to transfer its system to Ukraine at Germany’s request, accepting a delay so that Ukrainian forces could receive the capability sooner.

In contrast, Hanwha has emphasized its ability to meet delivery timelines despite rising demand. The company has expanded production capacity in response to growing international orders. Poland, another Chunmoo customer, has already received large quantities of missiles under an accelerated schedule.

“We had to change and transfer our current processing line to add to our double capacity. We have on-time delivery capability,” Hwan Lee said, noting that more than 1,000 missiles were delivered to Poland within a single year.

Part of Broader Defense Spending Surge

The Chunmoo deal fits into a much larger Estonian defense investment plan. Under its National Defense Development Plan for 2026–2029, Estonia intends to spend more than $11.8 billion on strengthening air defense, deep-strike systems, ammunition stocks, and overall force readiness.

Estonia has already procured K9 self-propelled howitzers from Hanwha Aerospace, with 36 units expected to be delivered by the end of next year. Officials see continuity in working with South Korean defense industry partners that have demonstrated production speed and flexibility.

Hanwha Aerospace President and CEO Jae-il Son said the contract reflects growing demand for systems that can be fielded quickly in response to evolving security threats.

“Our priority is to strengthen security in the Baltic region by leveraging our rapid production capability to ensure the timely delivery of these critical capabilities to Estonia,” he said.

Strategic and Regional Implications

Estonia will become the first Baltic state to field the Chunmoo system and the second European country, after Poland, to do so. South Korean officials and trade representatives have described the deal as a strategic breakthrough for expanding South Korea’s defense footprint in Northern and Nordic Europe.

Alongside the procurement contract, cooperation agreements were signed to promote long-term government-to-government defense exports and closer integration between Estonia’s defense ecosystem and South Korean industry. Officials on both sides have indicated that the framework arrangement could facilitate follow-on orders over the next decade.

For Estonia, the acquisition represents not only a boost in raw firepower but also a broader strategic signal. By diversifying suppliers, deepening industrial cooperation, and pairing U.S. and South Korean long-range strike systems, Tallinn is seeking to build a resilient, layered deterrence posture aligned with NATO priorities and shaped by the realities of modern high-intensity conflict.