The South Korean government is demanding accountability and an apology from North Korea for the placement of landmines south of the military demarcation line (MDL), while also stressing the need for dialogue to confirm the MDL standards. With North Korea's fortification of its border increasing the risk of accidental military clashes, officials believe it is no longer feasible to ignore the differences in MDL perceptions between South Korea, North Korea, and the United Nations Command.
However, given North Korea's rejection of inter-Korean dialogue and its refusal to recognize the authority of the UN Command, the likelihood of immediate negotiations appears low. As a practical alternative, South Korean military and UN Command officials are considering aligning their standards before presenting them to North Korea, thereby clarifying response protocols and establishing grounds for accountability in the event of future incidents.
On October 6, the government coordinated messages and response strategies among its unification, foreign affairs, and defense agencies regarding the MDL standards. Following a proposal for dialogue from Unification Minister Jeong Dong-young, both the Defense Ministry and the Foreign Ministry emphasized the necessity of discussions, indicating that the issue of MDL verification and measurement has emerged as a significant diplomatic and security concern for the entire government.
A Unification Ministry official stated that in light of a recent landmine explosion incident in the western front DMZ, “we will closely cooperate with the Defense Ministry and other relevant agencies to review necessary measures based on the military's investigation results.” The official noted that the Defense Ministry had proposed military talks regarding the MDL boundary last November, and Minister Jeong has reiterated the need for dialogue and communication to confirm the boundary.
Following Minister Jeong's suggestion on October 2 for North and South Korea to initiate talks to reconfirm and measure the MDL, Defense Minister Kang Shin-cheol stated on October 6 that “the MDL exists as multiple lines recognized by South Korea, North Korea, and the UN Command,” urging North Korea to engage either on-site or at the negotiation table to clarify these discrepancies.
Foreign Minister Park Jin also addressed the National Assembly's Foreign Affairs and Unification Committee, agreeing on the necessity for South Korea, North Korea, and the UN Command to jointly manage the MDL coordinates and on-site markers. He emphasized, “It is crucial to establish a unified government position, and we are continuously working towards that goal.”
As diplomatic and security agencies align their approach to hold North Korea accountable while preventing escalation of tensions, discussions among relevant agencies regarding follow-up measures to the landmine explosion and the MDL standards are expected to accelerate.
The urgency for MDL verification has grown due to the long-standing accumulation of discrepancies in the standards applied on the ground, compounded by North Korea's fortification efforts, which have increased the risk of actual clashes. Since the signing of the armistice agreement in 1953, 1,292 signs have been installed along the MDL, but only about 200 are currently identifiable.
The South Korean military utilizes the MDL established by the U.S. National Geospatial-Intelligence Agency (NGA) in 2004. The UN Command applies a line created by connecting over 23,000 coordinates generated approximately every 10 meters through its “MDL Project” in 2016. If North Korea applies a separate standard alongside the boundary established at the time of the armistice, there could effectively be a fourth standard in the field.
This year, North Korea has deployed up to 7,000 personnel daily to develop barren land, barbed wire, minefields, and tactical roads. Incidents of North Korean military incursions across the MDL have increased from 17 times last year to over 50 this year, with nine recorded incursions in 2024.
The issue of MDL identification is not a recent development. According to the annual military strategy publication “Strategic Digest 2015” jointly released by the U.S. Forces Korea, the ROK-U.S. Combined Forces Command, and the UN Command, many signs were severely damaged in 2015, leading to a “dangerous ambiguity” in accurately determining the MDL's location. The UN Command and U.S. military have recognized the seriousness of this issue for over a decade, yet discrepancies in the standards have persisted without negotiations with the North.
Experts assess that the likelihood of North and South Korea jointly surveying the MDL or agreeing on new coordinates in the short term is low, as North Korea has already defined inter-Korean relations as a “hostile two-state” situation and has rejected all government dialogue proposals.
While experts suggest that the best approach would be for South Korea, North Korea, and the UN Command to jointly verify the MDL standards, the lack of realism due to North Korea's refusal to engage means that South Korea and the UN Command should first establish a joint baseline to present to North Korea. Earlier this year, the South Korean military formed a separate task force to address the discrepancies in the MDL standards applied by both sides.
Park Won-gon, a professor of North Korean studies at Ewha Womans University, stated, “North Korea is independently pursuing fortification of its border while refusing to recognize the line established under the armistice agreement and the authority of the UN Command. Therefore, it is currently the most realistic response to have the South Korean military and the UN Command confirm the boundary and present it to North Korea, as this would provide grounds for accountability in the event of future incidents.”
* This article has been translated by AI.
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