South Korea seeks to expand Cheonghae naval mission closer to Hormuz Strait amid piracy rise

South Korea is moving ahead with a plan to extend its Cheonghae anti-piracy patrols from the Gulf of Aden toward waters near Oman, after officials said piracy off Somalia has increased this year. The defence ministry said the patrol area would reach waters near the port of Duqm, about 650 kilometres from the Strait of Hormuz, while remaining outside the strait itself. The proposal is part of a wider effort to protect shipping routes linked to South Korea's energy imports and merchant fleet.

The ministry said 36 piracy incidents had been reported off Somalia so far this year, compared with 11 in all of 2025. It said pirates had moved further towards Oman as international naval forces shifted attention to the Red Sea and Hormuz. Deputy ministers backed the plan on Thursday, and the cabinet is due to review it next week before any final decision by President Lee Jae-myung and the National Assembly.

If approved, the mission would run until 31 December 2027 and raise the personnel limit from 320 to 395. South Korea also plans to send a P-8A Poseidon patrol aircraft, a bomb disposal team and uncrewed craft to clear sea mines. The Cheonghae Unit has escorted merchant ships off Somalia since 2009, and officials say the unit would remain under South Korean command and operate in a non-combat role.

The proposal carries wider significance because South Korea depends heavily on oil shipments from the Middle East, much of which passes through the Strait of Hormuz. Industry ministry figures cited in the supporting material say about 70% of South Korea's oil came from the Middle East in 2025. That dependence helps explain why Seoul is seeking a larger maritime footprint even as it tries to avoid direct involvement in regional conflict.

The plan also reflects the changing security environment around key sea lanes, where piracy risks and regional tensions can overlap. South Korea has already backed a British and French-led plan to protect merchant ships and clear mines in the strait once conditions allow. Officials have also said any deployment inside the strait would still need parliamentary approval, underlining the legal limits on the mission.

What remains unclear is how quickly lawmakers will act and whether the expanded mandate will be approved before the current authorisation expires on 31 December. It is also not yet clear when the additional aircraft, mine-clearing assets and personnel would be deployed. The next key step will be the cabinet review, followed by any vote in parliament if the government decides to proceed.

South Korea is seeking parliamentary approval to expand the operating area of its Cheonghae anti-piracy naval unit to waters closer to the Strait of Hormuz. The defence ministry said the proposed zone would reach waters near the port of Duqm in Oman, about 650 km from the strait. Officials said the move is intended to protect South Korean citizens and safeguard the country's economic interests.

The ministry said the government will ask the National Assembly to extend the unit's mandate beyond the end of 2026, when the current authorisation is due to expire. The request is expected to go to lawmakers after the cabinet endorses it next week, according to local reporting cited in the supporting material. Officials also said the mission would remain strictly non-combat and under South Korean command, operating independently of allied forces.

The Cheonghae unit has patrolled the Gulf of Aden since 2009 to protect commercial shipping, and its latest contingent sailed from Busan on 2 October aboard the Chungmugong Yi Sun-sin, a 4,400-tonne destroyer carrying a maritime helicopter and about 300 service members. Under the new mandate, the unit would push northeast into the Arabian Sea south of Oman, roughly doubling its operating radius to about 1,930 km. It would also add 75 personnel, including a bomb disposal team, and a P-8A maritime patrol aircraft to help monitor shipping routes.

The proposal comes amid pressure from the United States for Seoul to provide support in the war on Iran, adding wider strategic significance to what is formally described as an anti-piracy mission. South Korean President Lee Jae Myung said in April that he would help safeguard shipping during talks led by the United Kingdom and France, but later said in September that he would avoid any deployment that could draw South Korea into the conflict. The planned expansion therefore sits at the intersection of maritime security, alliance pressure and caution over direct involvement in regional hostilities.

South Korea depends heavily on energy imports, and the Strait of Hormuz remains a critical route for oil shipments from the Middle East. The supporting material says the country's industry ministry reported that 70% of its oil supplies came from the Middle East in 2025, much of it delivered through the strait. That dependence helps explain why Seoul is seeking a larger maritime footprint even while stressing that the mission will remain limited to open waters south of Oman.

What remains unclear is how quickly lawmakers will act and whether the expanded mandate will be approved in time. It is also not yet clear when the additional aircraft and personnel would be deployed, or how the mission would be coordinated with other maritime security efforts in the region. The next key development will be whether the government can secure the necessary approvals and turn the proposal into an operational deployment.

South Korea plans to seek parliamentary approval to expand the operating area of its Cheonghae anti-piracy unit to waters closer to the Strait of Hormuz, according to the defence ministry. The proposed area would reach waters near the port of Duqm in Oman, about 650 km from the strait. Officials said the move is intended to protect South Korean citizens and safeguard the country's economic interests.

A ministry official said the reinforcement would remain strictly non-combat and would operate independently of allied forces. The official added that operations would be limited to open waters south of Oman, and that maritime patrol aircraft would be barred from targeting or monitoring Iranian territory, territorial waters or the interior of the Strait of Hormuz. The government still needs approval from President Lee Jae Myung and the cabinet before submitting the motion to parliament.

The Cheonghae unit has been stationed in the Gulf of Aden since 2009 to help ensure safe navigation for commercial vessels. The current deployment includes a 4,400-ton-class destroyer, a maritime operations helicopter, up to three rigid-hull inflatable boats and about 300 service members, according to local reporting cited in the supporting material. South Korea also relies heavily on oil imports, with the industry ministry saying 70% of its supplies came from the Middle East in 2025, much of it delivered through the Strait of Hormuz.

The planned expansion comes amid pressure from Donald Trump over what he has described as insufficient support for the war in Iran, and after reduced joint military drills between the two countries this summer. That backdrop gives the maritime move wider strategic significance, because it links South Korea's shipping security concerns with a broader regional conflict. It also shows how states dependent on Gulf energy flows are adjusting their posture as tensions around the strait remain elevated.

The motion would also extend the unit's deployment to the Middle East, which is due to expire at the end of 2026. Reports cited in the supporting material say Seoul may also deploy a P-8A maritime patrol aircraft and increase the unit's personnel by 75. The ministry's emphasis on non-combat duties suggests the government is trying to balance protection of trade routes with caution about becoming directly involved in the conflict.

What remains unclear is how quickly lawmakers will act and whether the expanded mission will be approved in time. It is also not yet clear when any additional aircraft or personnel would be deployed, or how the mission would fit alongside other maritime security efforts in the region. The next key development will be whether the government can secure the necessary approvals and turn the proposal into an operational deployment.

South Korea has announced that it will send maritime patrol aircraft and an explosive ordnance disposal team to waters near the Strait of Hormuz in an effort to keep the key shipping route open. The defence ministry said the mission is intended to protect commercial shipping and energy supplies at a time of heightened disruption in the region. Seoul said the deployment will not involve military intervention in the ongoing US-Iran war.

The ministry said the government plans to expand the operational area of its Cheonghae anti-piracy naval unit, which is currently used in the Gulf of Aden off Somalia. The reported package includes a destroyer, a P-8 maritime patrol aircraft, an EOD team, unmanned surface vessels, unmanned underwater vehicles and remotely operated vehicles for underwater exploration. According to the ministry, the mission is strictly non-combat and will operate independently of allied forces.

Officials said the move is aimed at protecting South Korean citizens and safeguarding the country's economic interests. The ministry also said operations will be limited to open waters south of Oman, and that the maritime patrol aircraft will not be allowed to target or monitor Iranian territory, territorial waters or the interior of the Strait of Hormuz. The extension of the Cheonghae unit's mission, which is authorised until the end of this year, would require parliamentary approval.

The deployment comes against the backdrop of a war that began on 28 February and has disrupted shipping through the Hormuz strait, one of the world's most important maritime chokepoints. The waterway normally carries about a fifth of global oil supplies, making any interruption a matter of immediate concern for energy markets and import-dependent economies. South Korea's decision reflects the wider pressure on states that rely on uninterrupted passage through the Gulf for trade and fuel security.

The Cheonghae unit has previously been tasked with protecting commercial vessels in the Gulf of Aden, and the planned expansion would extend that role into a different and more sensitive theatre. The reported use of unmanned systems alongside a destroyer and patrol aircraft suggests a focus on surveillance, route protection and underwater inspection rather than direct combat. The ministry's emphasis on non-combat duties also indicates an effort to avoid being drawn into the wider conflict.

What remains unclear is how quickly the deployment can be expanded and whether lawmakers will approve the extension in time. It is also not yet clear when the assets will arrive in the area or how the mission will be coordinated with other maritime security efforts. For now, the key issue is whether the deployment can help reassure shipping operators and reduce risks around the Strait of Hormuz without escalating tensions further.

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