South Korea-U.S. Alliance Faces Optimism and Challenges Amid Trump’s Early Days in Office

Seoul: The prospects for the South Korea-U.S. alliance have been marked by hope and concern over the nearly 100 days since President Donald Trump took office. Seoul has faced tariff threats, an alignment on the North Korea denuclearization goal, and cooperation opportunities in shipbuilding and other fields.According to Yonhap News Agency, uncertainty initially clouded the alliance with Trump's tariff pressure, claims of insufficient reimbursement for America's military support, and South Korea's unexpected listing on the U.S. Department of Energy's "Sensitive and Other Designated Countries List (SCL)." Optimism has also emerged from Seoul's diplomatic efforts to navigate U.S. levies and explore collaboration possibilities, although the aftermath of ousted President Yoon Suk Yeol's martial law declaration has added unforeseen uncertainties.In Trump's second term, South Korea was initially low on his foreign policy priorities. However, it regained attention when high-level "two plus two" consultations were held over new U.S. import taxes and other economic issues. South Korea's Finance Minister Choi Sang-mok and Industry Minister Ahn Duk-geun participated in talks with U.S. officials, agreeing to pursue a comprehensive package agreement by July 8, when the pause on reciprocal tariffs ends.Trump's negative perception of South Korea as a trading partner has been evident, claiming South Korea's average tariff is significantly higher than the U.S.'s, despite America's security support. While South Korea's tariffs on most-favored nations are higher, they do not apply to countries with free trade agreements, including the U.S.The Trump administration has also raised concerns over South Korea's non-tariff barriers, including its import ban on American beef, defense trade policy, and emission regulations. Trump's focus on allies' burden-sharing has added tension, with speculation that he might demand a rise in Seoul's share of the cost for stationing U.S. Forces Korea (USFK).On North Korea, South Korean policymak ers expressed relief when Trump committed to the "complete denuclearization" of North Korea. His return to office has sparked cautious hope for the revival of summit diplomacy with North Korean leader Kim Jong-un, although the agenda may not be solely focused on denuclearization.South Korea's inclusion in the U.S. Energy Department's SCL, alongside countries like North Korea and Iran, has been controversial. The designation has drawn attention in Seoul, as many view it as a matter of trust in the alliance. Amid this, the U.S. has expressed its desire for continued scientific cooperation with South Korea.Potential fault lines in the alliance also stem from the possibility of greater "strategic flexibility" in using USFK assets to address threats from China and other security priorities. While Seoul has been wary of moves that might weaken its focus on deterring North Korea, Washington seeks to leverage USFK assets for broader security roles.Future cooperation prospects between the U.S. and South Korea in clude the shipbuilding industry and an Alaska liquefied natural gas (LNG) project. Trump's interest in these areas is part of his push for America's "energy dominance" and signals a desire to strengthen the alliance with South Korea.The future of the alliance will likely be influenced by the outcome of South Korea's upcoming presidential election. Lee Jae-myung, a front runner in the race, could impact the alliance by pushing back on Trump administration policies that conflict with Korea's core national interests.