Trump Proposes 44 Percent Defense Spending Hike Amid Rising Iran War Costs

President Trump on Friday officially requested $1.5 trillion in defense spending for fiscal year 2027, by far the largest year-over-year increase in Pentagon funding in the post-World War II era, structuring the request as two distinct funding streams and making clear that the U.S.-led war in Iran is the rationale driving every dollar.

The request breaks into a $1.15 trillion base discretionary budget and an additional $350 billion to be advanced through budget reconciliation, with the base budget representing a 28 percent increase from the FY2026 baseline and itself a significant jump from the year prior. The new figure represents a significant increase over the approximately $1 trillion sought for fiscal year 2026. Together, the base and reconciliation streams would fund roughly $760 billion in total weapons procurement and modernization, including a projected major increase in F-35 Joint Strike Fighter procurement, Lockheed Martin F-35 jets and warships including Virginia-class submarines built by General Dynamics and Huntington Ingalls Industries, and $17.5 billion in fiscal year 2027 base funding for the $185 billion "Golden Dome" missile defense shield.

The Pentagon last month separately proposed $200 billion for the war effort and to backfill munitions and supplies depleted by the Iran campaign. The $350 billion reconciliation tranche is designated for what the White House describes as "critical Administration priorities," including munitions and defense, telegraphed by Trump even before the U.S.-led war against Iran began. Together, the two wartime tranches represent the administration's core argument: that conventional annual appropriations cannot keep pace with an active conflict.

To offset the military surge, the budget proposes reducing non-defense discretionary programs by 10 percent by shifting some responsibilities to state and local governments. That equals a reduction of approximately $73 billion from the previous year. The calculus is deliberately confrontational: Trump sought a roughly one-fifth decrease in non-defense spending for the current budget year but Congress kept such spending relatively flat.

Budget Director Russ Vought prepared the document and briefed House Republican lawmakers in a private call Thursday. The White House framed the scale in sweeping historical terms, with its budget summary arguing the request "exceeds even the Reagan buildup by approaching the historic increases just prior to World War II." One year ago, Trump asked Congress for a national defense base budget of $892.6 billion, then added $150 billion through a supplemental request, sending the total over $1 trillion for the first time in history. The FY2027 base budget alone is $1.15 trillion.

Trump made his governing logic explicit at a private White House event Wednesday, speaking ahead of a national address on the Iran war. "We're fighting wars. We can't take care of day care," he said, adding that covering Medicaid and Medicare simultaneously was not possible.

The Committee for a Responsible Federal Budget, a nonpartisan fiscal watchdog, estimated the buildup would add $5.8 trillion to total defense discretionary spending from 2027 through 2036 and contribute to nearly $7 trillion in additional national debt. The United States already carries public debt equal to roughly 120 percent of GDP, a level that far exceeds the Reagan-era peak, when the debt-to-GDP ratio climbed from about 30 percent to 49 percent over eight years, complicating the White House's comparison to that buildup.

Congress remains tangled over current-year spending and stalemated over Homeland Security funding, with Democrats demanding changes to Trump's immigration enforcement regime that Republicans are unwilling to accept. A presidential budget request carries no legal force; Congress retains full authority over what actually gets appropriated. The administration is counting on reconciliation to lock in at least the $350 billion wartime tranche, with the broader battle over domestic priorities set to consume the months ahead.