Senate Approves War Powers Resolution Rebuking Trump Over Iran
In a historic bipartisan rebuke, the U.S. Senate voted 50-48 on Tuesday to approve a war powers resolution directing President Donald Trump to remove American forces from hostilities with Iran. The vote marks the first time in history that both chambers of Congress have passed such a measure, reflecting deepening unease on Capitol Hill over the administration’s handling of the four-month-old conflict.
The Vote
The Senate adopted the House-passed Iran war powers resolution (H.Con.Res. 86) on June 23, 2026, in what was the 10th Senate vote on an Iran war powers measure since the war began in February. According to AP News, four Republican senators crossed party lines to vote with Democrats: Lisa Murkowski of Alaska, Susan Collins of Maine, Rand Paul of Kentucky, and Bill Cassidy of Louisiana. One Democrat, Sen. John Fetterman of Pennsylvania, voted against the resolution.
Two Republican absences proved critical. Senate Minority Leader Mitch McConnell of Kentucky was hospitalized for an undisclosed matter, and Sen. Dave McCormick of Pennsylvania was traveling with Trump for a rally. Their absence deprived the GOP of a full majority to block the measure.
House Passage and Legal Status
The House had passed its version of the resolution on June 3 by a vote of 215-208, with four Republicans joining all Democrats in support. House Speaker Mike Johnson had previously shut down floor action two weeks earlier when the resolution was on the verge of approval, but mounting opposition ultimately proved unstoppable.
However, the resolution is a concurrent measure, meaning it does not require the president’s signature and does not carry the force of law. The White House dismissed the vote as having “no significance,” and Trump called it “poorly timed and meaningless” on Truth Social.
Growing Bipartisan Unease
The vote reflects deepening congressional concern over Trump’s unilateral military actions, the terms of his emerging deal with Iran, and the war’s mounting costs. Trump signed a memorandum of understanding with Iran on June 17, starting a 60-day clock for a final agreement that includes a $300 billion reconstruction fund for Iran — a figure that has alarmed Republicans and Democrats alike.
GOP senators have particularly objected to the $300 billion fund and the lack of clarity on who pays for it. The sum far exceeds the $1.7 billion that the Obama administration returned to Iran under the 2015 nuclear deal, which Trump had previously denounced.
Sen. Ted Cruz of Texas said on his podcast, “I believe President Trump is getting very poor advice on Iran.” Senate Democratic Leader Chuck Schumer of New York declared, “Time after time, the vast majority of Senate Republicans sided with Trump and his war instead of the American people.” Schumer added that Americans have paid the price for “Trump’s historic blunder in Iran,” calling it “one of the worst foreign policy forays America has ever made.”
Rep. Gregory Meeks of New York, the top Democrat on the House Foreign Affairs Committee, argued that the measure is binding under the War Powers Resolution and said he would “explore all legal avenues to ensure the Executive complies with the will of Congress.”
The War and Its Costs
The 2026 Iran war began on February 28, when the U.S. and Israel launched coordinated airstrikes on Iranian military and government sites. Iran retaliated by firing hundreds of missiles and drones at Israel, Gulf states, and U.S. bases, and blockaded the Strait of Hormuz — triggering a global fuel crisis.
A fragile ceasefire was declared on April 7, but hostilities continue to flare. The human toll has been severe: 16 U.S. soldiers killed and 543 wounded, while Iranian officials report 3,468 killed and 26,500 injured. The conflict has also spilled into Lebanon, where nearly 4,000 people have been killed.
Pentagon Funding and the Road Ahead
Defense Secretary Pete Hegseth is on Capitol Hill this week seeking approximately $80 billion in supplemental funding to replenish munitions and stockpiles depleted by the war. The overall cost of Operation Epic Fury is estimated at some $100 billion.
House Democratic Leader Hakeem Jeffries said Tuesday, “We should not spend another dime of taxpayer dollars on Operation Epic Failure.”
Trump is scheduled to meet with Senate Republicans on Wednesday in a critical effort to shore up support. Meanwhile, Sen. Tim Kaine of Virginia, who has led Democratic war powers efforts, suggested the ceasefire provides an opportunity for Congress to assess “what should the next chapter be.” His joint resolution may gain momentum as scrutiny over the administration’s Iran policy intensifies.
What to Watch
While the war powers resolution is largely symbolic, it represents an extraordinary political rebuke of a sitting president by his own party’s lawmakers. The coming days will be pivotal: Trump’s meeting with Senate Republicans, the fate of the $80 billion Pentagon request, and the potential for a congressional vote on the Iran deal will all shape the next phase of America’s most contentious military engagement in decades.