A deep division within the Pentagon in early 2025 foreshadowed difficulties during the U.S. military campaign against Houthi militants in Yemen under the Trump administration. The conflict rapidly unfolded amid internal disagreements on strategy, leading to a contentious and ultimately inconclusive operation.

In March 2025, the United States launched a 51-day bombing campaign, dubbed Operation Rough Rider, targeting more than 1,000 Houthi sites. The operation was marked by a split among senior military leaders. General Michael Kurilla advocated for a more cautious approach, warning against an immediate full-scale offensive. In contrast, General Charles Q. Brown Jr. favored swift and decisive action. Defense Secretary Pete Hegseth aligned with Brown’s push for rapid engagement, overruling concerns from other Pentagon officials who warned that the campaign risked depleting critical U.S. munitions, such as cruise missiles and interceptors.

While the Trump administration, including both President Trump and Hegseth, claimed success in curbing Houthi capabilities, internal Pentagon reviews questioned the clarity of the campaign’s objectives. Human rights organizations reported significant civilian casualties resulting from the bombings, further complicating assessments of the operation’s impact.

The campaign ended abruptly in May 2025 with a ceasefire brokered by Oman. Critics within the U.S. defense establishment viewed the truce as a sign that the administration preferred to disengage rather than fully resolve the conflict. Following the end of Operation Rough Rider, U.S. involvement in Yemen was substantially reduced, a shift that corresponded with renewed Houthi military offensives. These included missile attacks against Saudi Arabia and disruptions of key shipping lanes in the region.

Operational security issues also emerged during the campaign. Notably, Secretary Hegseth unintentionally disclosed sensitive operational information through an unsecured messaging platform, raising concerns about internal communication protocols.

In the wake of the ceasefire, the Houthis strengthened their regional influence, pursuing goals that include challenging U.S. presence in the Middle East and opposing Israel. Analysts have suggested that the Trump administration may have underestimated the scope and persistence of the Houthi threat, especially as the group expanded ties with militant factions in Africa and other regional adversaries.

Overall, the U.S. military and diplomatic approach to Yemen during this period highlighted the complexities of managing proxy conflicts and maintaining stability within a volatile region. The campaign’s mixed results and rapid conclusion have prompted ongoing debate within defense circles regarding the best strategies for addressing insurgent threats and regional security challenges.