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Military plan to cut front-line troops raises readiness concerns

Published: 09 Apr. 2026, 00:00

On Dec. 12, 2023, soldiers of the Army’s 21st Division stand guard while carefully inspecting a snow-covered barbed-wire fence at a general outpost. At Gachilbong, an observation post at an elevation of 1,242 meters (4,074 feet)) — the highest in the Army — 11 centimeters (4.33 inches) of snow fell overnight. [MINISTRY OF NATIONAL DEFENSE/NEWS1]

Defense Minister Ahn Gyu-back said on April 7 that the military plans to reduce front-line guard forces from about 22,000 to 6,000, relocating more than 16,000 troops to rear positions. It is the first time the military has publicly disclosed detailed figures for such adjustments. Ahn explained that the plan relies on AI-based surveillance systems, leaving fewer troops at general outposts while shifting the rest to rear combat positions for rapid deployment in emergencies.

The plan reflects a worsening manpower shortage caused by Korea’s demographic decline. By replacing some surveillance roles with advanced technology, the military aims to maintain overall combat strength despite fewer conscripts. However, questions are growing over whether a sharp reduction in front-line personnel is appropriate under current security conditions.

Tensions with North Korea have increased since late 2023, when Pyongyang defined inter-Korean relations as those between “two hostile states.” It has reinforced front-line areas by installing fences and constructing anti-tank barriers. Although President Lee Jae Myung issued an apology over a civilian drone incident, North Korea responded with missile launches on April 7 and 8. Given these developments, reducing front-line guard forces to roughly one-quarter of their current level raises concerns about early detection and initial response capabilities.

The military also needs to clarify whether the plan is linked to efforts to restore the Sept. 19 inter-Korean military agreement. While manpower shortages are cited as the primary reason, it remains unclear why front-line guard units are the main target of cuts rather than other areas.

Another key issue is the readiness of the technology intended to replace personnel. The military has emphasized advanced surveillance systems for nearly two decades, yet there have been repeated breaches of the border fence, including high-profile defections. Although about 460 billion won has been allocated to improve these systems, progress has been uneven. The rugged, mountainous terrain along the border continues to make it difficult to deploy technology that meets operational requirements in real-world conditions.

Security concerns are further heightened by the intermittent redeployment of U.S. Forces Korea assets. Before implementing troop reductions, the military should conduct a thorough assessment of North Korea’s evolving threats and Korea’s preparedness. Ensuring credible deterrence must remain the priority.

This article was originally written in Korean and translated by a bilingual reporter with the help of generative AI tools. It was then edited by a native English-speaking editor. All AI-assisted translations are reviewed and refined by our newsroom.