House Set to Vote on Resolution to End U.S. Involvement in Iran

The House of Representatives prepares to vote on a measure directing the president to either withdraw U.S. forces from Iran or secure congressional approval to continue the conflict. Initially planned for passage in late May, Republican leaders delayed the action.

This delay comes to an end as the House faces a limited timeframe enforced by the invoked War Powers Resolution. This legislation mandates timely consideration of measures related to military engagement.

In May, the resolution was set to proceed before Republican leaders postponed it to avoid a political defeat. The adoption of the measure would signal a significant challenge to President Trump’s management of the conflict. The Republican Party has frequently deferred to the president, showing reluctance to restrict his authority despite Congress’s legislative powers.

Republicans acknowledged they lacked sufficient votes to oppose the resolution, delaying progress on ending the deployment. Efforts to amass support seem uncertain, as the conflict persists with limited advancement toward resolution under President Trump’s administration.

Three Republicans previously joined Democrats in backing a similar resolution. It narrowly failed in a tie vote last month, highlighting increasing opposition to the four-month-old military campaign. The impending vote coincides with emerging divides between Congressional Republicans and the president on various matters. Notable disputes include budget issues and plans affecting security funding, revealing differences aligned with upcoming congressional elections.

Even in the event of the resolution passing the Senate, legal uncertainties surround Congress’s ability to compel the withdrawal of troops. President Trump and his senior officials have dismissed congressional attempts to constrain his war powers, labeling the efforts as unconstitutional.

However, a recent Senate vote to advance a comparable measure showcases growing dissent within the president’s party. This dissent reflects an increasing willingness among some members to pressure for ending a conflict perceived by most Americans as unworthy of the costs.

The article is provided by Robert Jimison, who covers Congressional affairs focusing on defense and foreign policy, and Megan Mineiro, a Times congressional reporter and fellow of the 2025-26 Times Fellowship program.