Cho-Rubio Meeting Planned as Seoul Weighs Hormuz Role and Alliance Agenda

South Korean Foreign Minister Cho Hyun is expected to meet U.S. Secretary of State Marco Rubio in Washington on Friday, bringing a sensitive debate over a possible Korean military role in the Strait of Hormuz into a broader round of alliance talks.

The Foreign Ministry said the two governments were negotiating and making arrangements for a face-to-face meeting. Ministry spokesperson Park Doo-soon said Cho had previously indicated that he planned to meet Rubio by the end of September. The schedule has not yet been formally announced, making Friday the expected date rather than a confirmed appointment.

The talks are likely to test Seoul’s ability to balance its security alliance with Washington against political and diplomatic concerns surrounding any overseas military deployment. South Korea has said no decision has been made on sending military assets to the Strait of Hormuz, a vital energy shipping route. The issue is particularly sensitive because an overseas deployment of Korean forces would require approval from the National Assembly, where members of the ruling Democratic Party have voiced opposition. Iran has also warned Seoul against joining a deployment.

Beyond the Middle East, Cho and Rubio are expected to address several unresolved bilateral security matters. These include follow-up negotiations on South Korea’s effort to acquire nuclear-powered submarines, a proposed revision of the countries’ civil nuclear cooperation agreement and the transfer of wartime operational control. The meeting may also coincide with an announcement on the first project under South Korea’s investment commitments to the United States, which is expected to be finalized this week.

Cho has been consulting figures connected to both Washington and Tehran ahead of the anticipated trip. On Monday, he met in Seoul with former U.S. Forces Korea commanders Robert Abrams, Burwell Bell III and Paul LaCamera. The three are visiting for the 2026 Korea-U.S. Combined Warfighting Forum. The ministry did not disclose what was discussed in the closed-door meeting, and there has been no official confirmation that Hormuz was raised.

The expected Washington talks therefore carry two distinct but connected tasks for Seoul: responding to a pressing regional security question while trying to advance long-running alliance priorities. Any outcome on Hormuz will be closely watched at home, where the legal requirement for parliamentary approval and resistance within the governing camp limit the government’s room for maneuver.