South Korean Defense Minister Ahn Gyu-back traveled to Washington on Sunday, May 10, 2026 [1], for high-level talks with U.S. defense and congressional officials.

The visit comes as Seoul and Washington navigate growing disagreements over the timing of the transfer of wartime operational control, known as OPCON, and the development of South Korea's nuclear-powered submarine program.

Ahn is seeking to manage differences regarding when the transfer of OPCON should occur. While Seoul appears to expect a nearer-term resolution, a U.S. commander said that conditions for the transfer could be met by early 2029 [2]. This discrepancy indicates a potential gap in the strategic timelines of the two allies.

Regarding the transfer, Ahn said that Seoul and Washington have made "systematic, stable, and consistent" preparations.

Beyond the command structure, the talks aim to advance stalled negotiations on South Korea's nuclear-powered submarine development. The program remains a point of contention as Seoul seeks to enhance its maritime capabilities to deter regional threats, a goal that requires coordination with U.S. nuclear non-proliferation standards.

The minister's itinerary includes meetings with senior defense officials and members of Congress to ensure a unified approach to regional security. These discussions are critical for maintaining the stability of the alliance while South Korea pursues greater military autonomy.

Seoul and Washington have made "systematic, stable, and consistent" preparations for the transfer of wartime operational control.

This diplomatic push highlights the tension between South Korea's desire for strategic autonomy and the U.S. preference for a cautious, condition-based transition of military authority. The outcome of these talks will determine whether the alliance can synchronize its timeline for OPCON or if the two nations will continue to operate on diverging schedules regarding regional command and nuclear-propulsion technology.