Defense Secretary Pete Hegseth is facing internal opposition from congressional Republicans over a proposed $1.5 trillion defense budget. Despite several weeks of meetings between Hegseth and lawmakers, the Senate adjourned for summer break without reaching an agreement on the spending plan, which represents a central component of President Donald Trump’s legislative agenda. The proposal includes funding for new battleships and a missile defense system referred to as the Golden Dome.
The budget impasse follows a series of policy alignments between Hegseth and the GOP majority since his narrow confirmation a year and a half ago. Previous collaborations include the passage of the One Big Beautiful Bill Act, which increased military spending by $150 billion, and measures to rename the Department of Defense to the Department of War. However, the current $1.5 trillion request relies on the use of budget reconciliation—a process that allows the majority to pass legislation without minority party support—to secure approximately $350 billion of the total.
Some Republican senators, including Lisa Murkowski (R-AK), have questioned the lack of a "plan B" if the reconciliation process fails to yield the necessary funds for equipment like F-35 fighters and Patriot missiles. Senate Appropriations Chair Susan Collins (R-ME) and Sen. Mitch McConnell (R-KY) have also expressed doubt that further party-line reconciliation bills can move forward. Additionally, GOP lawmakers have voiced concerns about the political risks of such high spending ahead of the upcoming midterm elections and have criticized the Pentagon for a lack of transparency regarding military operations in Europe and the Middle East.
For the American taxpayer, the scale of this proposal involves a significant allocation of federal resources, amounting to roughly $4,500 per person if distributed across a population of 330 million. The use of reconciliation to bypass the 60-vote Senate threshold is a critical procedural move; if successful, it would mark the third and fourth times the GOP has used this mechanism in two years to advance White House priorities. This sets a precedent for how future large-scale spending and foreign policy initiatives, including the $60 billion requested for the ongoing Iran war, are funded without bipartisan consensus.
What happens next depends on whether Republican leadership can reconcile internal divisions when the Senate returns from its summer recess. A $60 billion war funding request has already passed the House but remains stalled in the Senate. Lawmakers face a tight window to resolve these spending disputes before the midterm elections, which will determine control of both chambers. Failure to pass the budget could force the Pentagon to operate under previous funding levels or seek alternative legislative vehicles to address what Hegseth described as the "greatest threat" to the nation.