North Korea's Kim wants an 'impregnable fortress' at border with South Korea

North Korea's Kim wants an 'impregnable fortress' at border with South Korea
North Korean leader Kim Jong Un meets with division and brigade commanders of the entire army, in this pictured released 18 May, 2026 by KCNA
Reuters/by North Korea's official Korean Central News Agency (KCNA)

North Korean leader Kim Jong Un said plans to strengthen frontline units on the border with South Korea, as well as other major units, were key to "more thoroughly deterring war," state media KCNA reported on Monday.

Kim's comments on bolstering the military strength on the frontier to make it an "impregnable fortress" came at a meeting on Sunday of commanders of divisions and brigades across the army, Korean Central News Agency (KCNA) said

He called for adjusting the training system and expanding practical drills to reflect changes in modern warfare and redefine operational conceptsin North Korea's military, according to KCNA.

Kim stressed the need for vigilance against the "arch enemy," a term North Korea has used for South Korea.

The two Koreas are still technically at war after their 1950-53 conflict ended with an armistice rather than a peace agreement.

Kim's first reported meeting with brigade commanders

South Korea's Unification Ministry said on Monday it appeared to be Kim's first reported meeting with division and brigade commanders since he took power, adding that Seoul would continue to manage military tensions and seek to build trust.

South Korea's Joint Chiefs of Staff said on Monday that North Korean troops had stepped up fortification work since March in areas near the land border between the two Koreas, including building walls.

Lessons from Ukraine and the Middle East

Hong Min, a senior research fellow at the Korea Institute for National Unification in Seoul, said Kim's reference to fortifying the "southern border" suggested Pyongyang may also strengthen its military presence on its maritime boundaries with the South, such as the disputed Northern Limit Line (NLL).

Kim's references to modern warfare and redefining operations "in all spheres" likely reflected lessons Pyongyang has drawn from the war in Ukraine and Middle East conflicts, including the use of drones, precision strikes and electronic warfare, Hong said.

"North Korea is clearly observing how traditional infantry and armoured tactics are being neutralised by new technologies," Hong observed.

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