(C) Arirang TV

SEOUL – In a landmark move to bolster the independence and operational capability of the Republic of Korea Marine Corps (ROKMC), the Ministry of National Defense announced on Wednesday a comprehensive restructuring plan to transition the service into a "Semi-Fourth Branch" system.

The reform includes the promotion of the ROKMC Commandant to the rank of four-star general and the restoration of operational control (OPCON) over major Marine divisions from the Army for the first time in 50 years.

Restoring Operational Autonomy
During a press briefing at the Ministry of Defense in Yongsan, Defense Minister Ahn Kyu-back outlined the vision for a more autonomous Marine Corps. "The 'Semi-Fourth Branch' system maintains the Marine Corps under the Navy’s umbrella while granting the Commandant command and supervisory authority equivalent to that of other service chiefs," Ahn stated.

The most significant shift involves the return of OPCON for the 1st and 2nd Marine Divisions:

1st Marine Division: Currently under the Army’s 2nd Operations Command, its operational control will be fully restored to the Marine Corps by the end of 2026.
2nd Marine Division: Currently under the Army’s Capital Corps, its peacetime OPCON will return to the Marine Corps by 2028. However, due to its critical location near the border, the Capital Corps will retain wartime OPCON for the time being, pending further review of troop structures by 2040.
This transition marks a fundamental shift from the Army "controlling" Marine operations to a "cooperative" framework between the two branches.

Elevating Command Structure
To reflect its growing strategic importance, the Ministry is pushing to elevate the rank of the Marine Corps Commandant to a four-star General (Full General). This change would allow the Commandant to potentially serve in high-ranking joint positions, such as the Deputy Commander of the ROK-US Combined Forces Command or the Vice Chairman of the Joint Chiefs of Staff.

Furthermore, the Ministry plans to establish a dedicated Marine Corps Operations Command.

Command Structure: The newly created Operations Commander is expected to be a three-star Lieutenant General.
Staff Expansion: The existing Northwest Islands Defense Command is likely to be integrated or promoted into this new Operations Command, leading to an increase in the total number of general-officer positions within the Marine Corps to strengthen its staff organization.

A National Strategic Mobile Force
The reform is not merely administrative; it seeks to codify the Marine Corps’ identity. The Ministry plans to amend the Armed Forces Organization Act to explicitly define the ROKMC as a "National Strategic Mobile Force" tasked with amphibious operations and island defense.

Symbolic changes are also underway, such as officially co-naming the "Militopia by Marine" facility as the "Marine Corps Hall" to boost esprit de corps.

Voices from the Leadership
Minister Ahn, who championed the legislative groundwork for this change during his time as a lawmaker in 2019, emphasized that the reform would create a "synergy among the Army, Navy, Air Force, and Marine Corps as a unified force."

Lieutenant General Joo Il-suk, the current Marine Corps Commandant, expressed his strong support for the initiative. "The Republic of Korea Marine Corps will strive to become a stronger, more trusted military that serves the people as a truly national force," Joo said.

Military analysts suggest that this restructuring is a response to the evolving security environment, requiring a more agile and independent Marine Corps capable of rapid deployment across the peninsula without being subordinate to regional Army commands.

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