South Korea's Joint Chiefs of Staff (JCS) confirmed on Wednesday that ongoing joint military drills with U.S. forces will conclude early, following President Donald Trump's announcement that he had ordered the Pentagon to "substantially reduce" the exercises. The annual U.S.-South Korea Ulchi Freedom Shield, which began Monday, will now end Aug. 21, six days earlier than originally planned.
In response to a U.S. proposal, the allies agreed to adjust parts of the exercise, including its duration and scale. The JCS stated that the two sides also agreed to scale back some combined field training exercises, though details are still under discussion. "Going forward, South Korea and the United States will discuss and implement various measures to achieve the objectives of the UFS exercise and maintain a strong combined defense posture," the statement added.
Trump ordered the drills scaled back, citing his "very good" relationship with North Korean Supreme Leader Kim Jong Un. Pyongyang routinely protests joint U.S.-South Korean exercises, framing their military cooperation as undermining stability on the Korean Peninsula. This week, Pyongyang described Ulchi Freedom Shield as an "open threat" to North Korea.
On Sunday, Trump criticized the annual military exercise as "inappropriate and hostile" toward North Korea, a country he stated has been "unthreatening and respectful" toward the United States during his presidency. "Based on my very good relationship with Kim Jong Un, of North Korea, I am not happy with the fact that the United States has, long ago, agreed to participate in Joint Military Exercises with South Korea," Trump wrote on his social media platform. "Therefore, and based on the fact that it is too late to cancel, I have instructed Secretary of War, Pete Hegseth, to substantially reduce the Joint Military Exercises!"
South Korea is a longtime U.S. ally and hosts approximately 28,500 U.S. troops. The U.S. presence on the peninsula has traditionally been intended to prevent a resumption of cross-border hostilities, with the Korean War of 1950-53 having never officially ended.
In recent decades, North Korea has expanded its nuclear weapons stockpile and ballistic missile research program, despite international condemnation and sanctions. The U.S. presence in South Korea has also become a significant point of leverage in the strategic competition between Washington and Beijing, which has historically served as Pyongyang's primary patron.