Donald Trump announced on August 16, 2026, that he had told his defence secretary to pare back one of the largest annual military exercises the United States conducts with South Korea — a move that came with little warning and just hours before the drills were set to start.
Trump posted the directive on Truth Social, his social media platform, instructing Defence Secretary Pete Hegseth to "substantially reduce" the Ulchi Freedom Shield exercises. The drills, which involve approximately 18,000 South Korean military personnel, were scheduled to run from August 17 to 27.
Trump said it was too late to cancel the exercises entirely, given how close the announcement came to their scheduled start. He did not specify what a reduced exercise would look like in practice, and it was not immediately clear whether the Pentagon had confirmed or begun acting on the instruction. The White House did not immediately respond to requests for further detail.
Trump gave three reasons for the decision. He said the exercises send a signal that is "totally inappropriate and hostile" to North Korea. He cited the cost of the drills to the United States. And he pointed to what he described as his "very good relationship" with North Korean leader Kim Jong Un.
He also disclosed, though he labelled the matter "somewhat unrelated," that he had recently asked South Korea's president to join US efforts to denuclearise Iran and had been told "No thanks." Whether that refusal directly influenced the decision to scale back the exercises, or was incidental, is not clear from what Trump said. The two issues were presented together in a single post, but Trump himself drew a distinction between them.
Neither the South Korean nor the North Korean government had issued a public response at the time of reporting, according to the BBC.
The timing is notable. North Korea fired two ballistic missiles after August 6 in the lead-up to the drills — a pattern of provocation that typically accompanies the exercises. The decision to scale them back rather than cancel altogether may reflect Trump's stated view that full cancellation was no longer logistically possible.
This is the first time in Trump's second term that he has ordered a reduction in joint military exercises with South Korea, according to the Korea Times. It is not without precedent from his first term. In 2018, following his summit with Kim in Singapore, Trump halted joint exercises entirely, calling them "provocative" and pointing to cost savings. After a second summit in Hanoi in 2019 collapsed without agreement, the drills were again scaled back and reconfigured into smaller exercises.
The Ulchi Freedom Shield has been held under that name since 2022, though the summertime exercises it evolved from date back decades. The alliance between Washington and Seoul has long treated joint exercises as a core element of deterrence against North Korea. Critics of reductions argue they degrade readiness and send a signal of weakening commitment to Seoul. Supporters of Trump's approach argue they can serve as useful diplomatic currency with Pyongyang.
What the exercises will look like when they begin — or how much of the planned programme Hegseth will cut — remained unanswered at the time of reporting.
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