House Votes Again to Restrict Trump’s Iran War Powers as Conflict Enters Seventh Month

Seven Republicans joined Democrats in a 220–204 vote directing U.S. forces out of unauthorized hostilities with Iran, increasing congressional pressure on President Donald Trump as costs and economic concerns mount.

The U.S. House of Representatives voted Tuesday night to restrict President Donald Trump’s ability to continue military operations against Iran without congressional authorization, passing the latest war-powers measure 220–204.

Seven Republicans joined Democrats in supporting the September 15 resolution, representing the largest group of House Republicans so far to break with their party leadership over the continuing conflict.

The measure, H. Con. Res. 93, directs the administration to remove U.S. armed forces from hostilities against Iran while preserving forces necessary to defend American and allied installations in the region.

 

 

 

Despite the dramatic House vote, the resolution does not mean the Iran war has immediately ended. Similar congressional efforts earlier this year failed to bring U.S. military operations to a halt.

The conflict began February 28, when the United States and Israel launched major strikes against Iran. Trump announced major combat operations as Washington cited Iranian military and nuclear threats.

Nearly seven months later, fighting has continued through periods of escalation and relative calm, while attempts to negotiate a lasting settlement between Washington and Tehran have repeatedly struggled to produce an agreement.

Representative Seth Moulton of Massachusetts, a Democrat and Marine veteran, led the latest House effort, arguing that sustained military action requires greater congressional involvement under the Constitution and War Powers Resolution.

Republican supporters of the administration take a different position, arguing that Iran continues to threaten American forces and regional allies and that restricting military options could weaken Washington’s ability to respond.

House Foreign Affairs Committee Chairman Brian Mast defended continued presidential flexibility, describing Iran as an ongoing security threat and questioning which American defensive capabilities opponents of the war would remove.

Speaker Mike Johnson also said Tuesday that the conflict may be entering a new phase as regional allies assume greater responsibilities, while acknowledging public concern about elevated gasoline prices.

Financial costs are adding pressure. The nonpartisan Congressional Budget Office estimates Defense Department expenses connected with the Iran war exceeded $38 billion through August 1.

CBO estimates continued operations could cost approximately $2 billion to $3 billion each month, depending on the intensity of combat and the equipment and munitions consumed or damaged.

The budget office also expects energy disruptions associated with the conflict to contribute to inflation, estimating prices could be roughly half a percentage point higher than previously projected.

Reduced oil and natural-gas shipments through the Strait of Hormuz, combined with disruptions affecting Red Sea shipping, have been among the major channels through which the conflict affects consumers.

Military readiness has become another issue. A Pentagon inspector general report cited by AP identified “strategic inventory shortfalls,” increasing scrutiny of ammunition and defensive missile stocks consumed during extended operations.

The White House requested $87.6 billion in supplemental funding in June, much of it associated with the conflict, although Congress had not approved that request as of the latest CBO assessment.

Tuesday’s action was not Congress’s first attempt to intervene. The House passed Iran war-powers resolutions in June and July after earlier efforts in March and May failed.

The Senate has also debated repeated attempts to limit the conflict. One measure passed in June, but subsequent efforts failed as Republican senators reconsidered their positions following disputes with Trump.

The congressional disagreement widened Tuesday when Republican Representative Thomas Massie separately sought to impeach Defense Secretary Pete Hegseth, alleging violations of congressional war powers. The Pentagon rejected Massie’s criticism.

With the November midterm elections approaching, the war’s duration, military costs and effects on energy prices have become prominent campaign issues for lawmakers defending competing views of presidential and congressional authority.

For now, the House vote represents increased political and constitutional pressure on Trump rather than an immediate end to hostilities. Whether Congress can translate repeated resolutions into binding limits remains unresolved.