U.S. Diplomat to Visit Seoul to Start Working Groups on Summit Agreements

U.S. President Donald Trump in October, the countries' governments said Tuesday. U.S. delegation to the South Korean capital, Seoul's foreign ministry and the State Department said, after she and Korea's First Vice Foreign Minister Park Yoon-joo held talks at the department in Washington.

U.S. cooperation on Seoul's push to build nuclear-powered submarines and secure rights to civil uranium enrichment and spent nuclear fuel reprocessing.

"Under Secretary Hooker will lead an interagency delegation to Seoul in the coming weeks to launch bilateral working groups to continue implementing understandings from President Trump's October 2025 visit to the ROK," the department said in a media note.

The department did not elaborate on the understandings, but it apparently referred to those specified in a joint fact sheet released to outline bilateral summit agreements on security, trade, investment and other bilateral issues. U.S. " South Korea's foreign ministry said Park and Hooker agreed to hold a "kick-off" meeting for the implementation of bilateral agreements in the security sector based on the shared understanding that the two sides should make tangible progress through the swift implementation of the agreements outlined in the fact sheet.

Park's visit to Washington this week came amid concerns over the seemingly slow implementation of those agreements. During their talks, Park and Hooker discussed efforts to advance the "broad and enduring" alliance between the two countries, including in security and economic cooperation, it said.

Both sides reaffirmed the importance of ensuring the freedom of navigation through the Strait of Hormuz and in global waterways, according to the department. U.S. side reaffirmed its commitment to the defense of South Korea, including through its "extended deterrence" commitments.

U.S. companies and the prompt resolution of market access barriers. U.S. and Japan, according to the ministry. U.S. Deputy National Security Adviser Andrew Baker and other officials at the White House National Security Council (NSC). Park called for close bilateral communication to ensure the swift and smooth implementation of agreements in the joint fact sheet, the ministry said.

U.S. NSC will actively support related consultations, it said.