Trump Orders Pentagon to Reduce Joint Military Drills With South Korea

A directive to cut exercises with a treaty ally, paired with praise for North Korea's leader, signals a potential shift in the U.S. security posture on the Korean Peninsula.

President Donald Trump announced Sunday, August 16, 2026, that he has directed Defense Secretary Pete Hegseth to 'substantially reduce' joint military exercises between the United States and South Korea, according to a post Trump published on Truth Social and confirmed by reporting from Axios and Bloomberg. The statement represents a formal presidential instruction to the Pentagon regarding a decades-long alliance exercise program.

In the same Truth Social post, Trump linked the decision in part to South Korea's response to a separate U.S. request. Trump wrote that South Korea declined to assist the United States in efforts to denuclearize Iran, according to Axios. Trump also cited what he described as his 'very good relationship' with North Korean leader Kim Jong Un as relevant context for the announcement, per the same Axios report.

Joint U.S.-South Korea military exercises have been a cornerstone of the 1953 Mutual Defense Treaty between the two countries. The exercises, which have occurred regularly for decades, are designed to maintain combined operational readiness on the Korean Peninsula. The specific exercises targeted by Trump's directive, the timeline for implementation, and the precise scope of any reduction have not been publicly detailed as of the time of publication.

The Pentagon has not yet released a formal statement responding to or detailing the president's order. It is currently unknown which specific exercise programs will be affected, what consultations, if any, occurred with South Korean defense officials before the announcement, or whether Congress has been formally notified. The Department of Defense's official communications and any subsequent bilateral statements from Seoul would be the public records that would answer those questions.

Separately, reporting from The Hill on Sunday noted that Maryland Governor Wes Moore, a U.S. Army veteran, publicly criticized the Trump administration's response to reported conditions aboard the USS Abraham Lincoln during an appearance on CNN's 'State of the Union.' Moore's comments addressed a domestic military readiness matter distinct from the South Korea announcement, though both arose on the same day and concern U.S. armed forces policy.