(2nd LD) FM, Rubio reaffirm cooperation on civil nuclear power, nuclear-powered subs, shipbuilding

▲ South Korea's Foreign Minister Cho Hyun (L) shakes hands with U.S. Secretary of State Marco Rubio prior to their talks at the State Department on Feb. 3, 2026. (Pool photo) (Yonhap)

(2nd LD) FM-US visit

(2nd LD) FM, Rubio reaffirm cooperation on civil nuclear power, nuclear-powered subs, shipbuilding

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By Song Sang-ho

WASHINGTON, Feb. 3 (Yonhap) -- The top diplomats of South Korea and the United States agreed to continue close cooperation on civil nuclear power, nuclear-powered submarines and shipbuilding during their talks in Washington on Tuesday, the State Department said.

South Korea's Foreign Minister Cho Hyun and U.S. Secretary of State Marco Rubio also reaffirmed their commitment to the "complete" denuclearization of North Korea, according to Tommy Pigott, the department's principal deputy spokesperson.

Cho and Rubio held their talks at the State Department as Seoul is stepping up diplomatic efforts to address U.S. President Donald Trump's recent threat to raise "reciprocal" tariffs, and auto, lumber and pharmaceutical levies on South Korea to 25 percent from 15 percent.

"Secretary Rubio and Foreign Minister Cho discussed ways to advance the U.S.-ROK Alliance, centered on a forward-looking agenda in the spirit of President Trump and ROK President Lee Jae Myung's summits in Washington and Gyeongju," Pigott said. ROK is short for South Korea's official name, the Republic of Korea.

"The two leaders agreed to continue to work closely on civil nuclear power, nuclear-powered submarines, shipbuilding and increasing ROK investments to rebuild critical U.S. industries," he added.

He was referring to Seoul's push to secure civil uranium enrichment and spent nuclear fuel reprocessing rights for peaceful purposes and its drive to acquire nuclear-powered submarines with support from the Trump administration.

During the talks, Cho and Rubio also discussed North Korea's advancing nuclear threats.

"The secretary and the foreign minister reaffirmed their commitment to the complete denuclearization of the DPRK," Pigott said. DPRK is short for North Korea's official name, the Democratic People's Republic of Korea.

"They also reinforced the critical importance of U.S.-Japan-ROK trilateral cooperation in maintaining regional stability and a free and open Indo-Pacific."

In addition, the two sides highlighted the "enduring" strength of the bilateral alliance.

Rubio expressed his gratitude for the important leadership role that South Korea has played in building "secure, resilient and diversified" critical mineral supply chains, the spokesperson said.

Pigott did not touch on trade tensions that flared anew after Trump threatened last week to raise reciprocal tariffs on South Korea, citing a delay in the Asian country's legislative process needed for the implementation of a bilateral trade deal.

Under the deal, Seoul has committed to investing US$350 billion in the U.S., among other pledges, in return for Washington lowering reciprocal tariffs on South Korea to 15 percent from 25 percent.

On Wednesday, Cho plans to attend the inaugural Critical Minerals Ministerial, a meeting that Rubio will host at the department to reinforce and diversify critical minerals supply chains that are key to the production of high-tech military and consumer products.

The meeting will come as Washington has been stepping up cooperation with allies and partners to address supply chain vulnerabilities and risks in the face of China's growing clout over critical minerals, including rare earth elements.

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