The Trump administration formally requested $89.4 billion in emergency war-related spending on Friday, opening a fight on Capitol Hill that has split Republicans between hawks who want a larger package and fiscal conservatives demanding spending offsets before any floor vote.

The supplemental request, transmitted to House and Senate appropriators shortly before 11 a.m., covers the Pentagon’s costs from the six-week air and missile campaign against Iran, replenishment of Patriot and THAAD interceptor stocks heavily drawn down during the conflict, an expanded reconstruction package for Iraq, and what the Office of Management and Budget described as “post-hostilities posture support” for U.S. forces still operating across the Gulf.

OMB Director Russell Vought, in a letter accompanying the request, called the package “the minimum necessary to make whole the readiness gaps created by a war that, while concluded successfully, drew down inventories at a pace not seen since 2003.” The document attributes $34.2 billion to munitions replenishment alone, with another $18.6 billion for personnel, fuel and operating costs already incurred between early March and the April 15 ceasefire.

The release came 10 days into the ceasefire announced from the Islamabad talks and three days after the Senate-passed AI moratorium bill died in House Ways and Means, leaving Speaker Mike Johnson with a thin window before the May recess to whip a divided conference around a politically awkward bill.

House Armed Services Chair Mike Rogers told reporters in Statuary Hall that he expected to mark up a “leaner but adequate” version within two weeks. “The president has asked for what the Pentagon told him it needs,” Rogers said. “Our job is to make sure every dollar is accounted for and that we are not, six months from now, doing this again because we underfunded the magazine.”

But the floor math is unfriendly. At least 18 House Republicans, most of them aligned with the Freedom Caucus, have publicly demanded that any war supplemental be paired with rescissions elsewhere in the discretionary budget. Rep. Chip Roy of Texas, in a Thursday letter circulated among members, called an unoffset package “a continuation of the very fiscal posture this administration ran against.” A spokeswoman for Roy confirmed Friday that he was prepared to vote no absent dollar-for-dollar offsets.

That leaves Johnson reliant on Democratic votes — a politically combustible posture given the administration’s repeated refusal to brief the Foreign Affairs Committee on targeting decisions during the war. House Minority Leader Hakeem Jeffries said Friday that Democrats were “not inclined to bail out a request that arrives without the documentation Congress has been asking for since March,” and demanded a closed-door briefing on the war’s casualty figures, intelligence inputs and the legal basis for strikes inside Iranian territory.

A senior White House official, granted anonymity to describe internal deliberations, said the administration expected “rough handling” in the House but believed Senate appropriators, led by Chair Susan Collins, would move first and produce a bipartisan vehicle the House would feel pressure to take up. The official said the president had been briefed twice this week on whip counts and remained “comfortable with the package as transmitted.”

In the Senate, the early signals were warmer. Collins, in a written statement, called the request “serious and largely defensible,” though she signaled she would seek to add roughly $4 billion for Defense Health Agency mental health services tied to returning service members. Sen. Jack Reed, the ranking Democrat on Armed Services, said his caucus would push for an independent inspector general for the reconstruction funds and for binding reporting requirements on the post-ceasefire force posture.

Outside hawks were less satisfied. The Foundation for Defense of Democracies issued a research note Friday afternoon arguing the munitions figure was “demonstrably low by approximately $11 billion” based on public estimates of Patriot, SM-6 and Tomahawk expenditure during the campaign. “Rebuilding the magazine on the cheap is how you lose the next one,” wrote Bradley Bowman, the group’s senior director for military and political power.

The political backdrop is the November midterms, now six months out, and a House Republican conference that has spent the past 10 days arguing publicly about how to characterize the war’s outcome. Polling released Thursday by Quinnipiac showed 54 percent of voters approving of the ceasefire while only 41 percent approved of the administration’s overall handling of the conflict — a split that vulnerable members in suburban districts have privately cited as a reason to keep the supplemental small and the votes narrow.

“The members who have to win districts Biden carried in 2020 do not want a $90 billion war bill on their record,” said Sarah Chamberlain, president of the Republican Main Street Partnership, in an interview Friday. “They want the war over, the troops home, and a vote on something economic before they go home for Memorial Day.”

The administration also faces a parallel demand from Senate Democrats for a full accounting of U.S. casualties, which the Pentagon’s most recent unclassified tally placed at 358 killed and roughly 1,400 wounded between the war’s onset in early March and the April 15 ceasefire. Defense Secretary Pete Hegseth is expected to testify before the Senate Armed Services Committee on Wednesday, his first public appearance before the panel since the ceasefire took effect.

Treasury Secretary Scott Bessent, asked about the request during a CNBC appearance Friday morning, said the package would not require new borrowing in the current fiscal quarter but acknowledged that the deficit trajectory for fiscal 2026 had “moved meaningfully” since the war began. The Congressional Budget Office is expected to publish a revised baseline within the next 10 days.

Johnson, leaving the Capitol Friday evening, said he intended to hold a conference-wide meeting Monday to “find the path.” Aides to several committee chairs said they expected markups to begin no later than May 5, with a floor vote, if a deal is reached, targeted for the week of May 12.

Senior administration officials said additional briefings for committee staff would begin Monday morning, with classified sessions for full committees later in the week.