The headline number out of Tuesday's House Appropriations Defense subcommittee hearing was the war's revised cost: $29 billion, up from $25 billion two weeks earlier — the same $4-billion two-week jump the paper tracked yesterday. Acting Pentagon Comptroller Jules Hurst attributed $24 billion of the total to repair and replacement of equipment and the remainder to general operational costs of keeping forces in theater [1]. Hurst told lawmakers the figure does not include damage to military installations because "we don't know what our future posture is going to be" or what allies and partners will pay [2]. The number is up $4 billion in fourteen days.
Hidden in the same testimony was a procedural fact that Defense Daily reported with the operating clock: the top Democrats on the House Appropriations Defense Subcommittee have requested detailed Iran-war cost specifics from the Pentagon ahead of the panel's June 11 markup of the FY27 defense bill [3]. That is a 28-day window from Thursday. The subcommittee chair, Rep. Ken Calvert (R-CA), made the demand publicly: "It'll be helpful to get the supplemental sooner rather than later so we can get to work on it" [1]. Rep. Betty McCollum (D-MN), the subcommittee's ranking Democrat, demanded Hegseth send a war supplemental "by early June" [4].
The supplemental Calvert is asking for has been the missing artifact since the war's first month. Hegseth told Congress on March 19 — three weeks into the war — that the Pentagon was "going back to Congress and our folks there to ensure that we're properly funded for what's been done" and that the request "could move" past $200 billion [5]. The administration has not yet filed it. The April 30 hearing produced the same answer: "when it's relevant and required." Tuesday's hearing produced the same answer, with a hardened reciprocal: this time the House subcommittee responded with a markup date.
The mechanics of the June 11 forcing function. HAC-D's FY27 markup is the first procedural vehicle into which a war supplemental could be folded — either as a separate measure passed alongside the appropriation, or, as Hurst signaled Tuesday during the House hearing, as part of the roughly $40 billion in ammunitions requests already sitting in a reconciliation bill awaiting lawmakers [4]. The panel's mark sets the framing the full committee adopts and the floor inherits. If a supplemental is not filed before markup, the subcommittee Democrats have indicated they will mark with the war omitted — which makes the administration's $1.5 trillion top-line FY27 budget request the document of record and the war an off-budget cost that has run to $29 billion in 75 days [6].
The constitutional pressure stalled, as Murkowski's Tuesday exchange with Hegseth made plain. Hegseth's Article II answer twice, Murkowski's pledged AUMF still without a bill number, Thune unwilling to schedule a floor vote: the War Powers Resolution mechanism is not producing a decision. The budgetary pressure has now moved. The June 11 markup is a date the administration cannot defer with rhetorical formulations the way it can the AUMF. Calvert is a Republican subcommittee chair. McConnell, who chairs the Senate side at SAC-D, made the same supplemental demand at the Senate hearing Tuesday morning [4]. Two Republican appropriations chairs publicly told Hegseth at a budget hearing to submit a supplemental. That is a different institutional posture than Murkowski's lonely floor warning.
The Senate side is moving too. The paper's Wednesday accounting of the $4 billion two-week revision named the revision velocity as the signal. Tuesday's hearing tightened the signal: Hurst's $29 billion does not include base damage; the May 11 Bessent line on $1.5 trillion is the FY27 ceiling, not the war floor; Senator Patty Murray (D-WA), Vice Chair of Senate Appropriations, called the cost estimate "suspiciously low" and pressed Hurst for the unbooked damage to U.S. facilities [7]. Hegseth declined to provide a figure. Murray's frame: "You're spending families' hard-earned tax dollars on a war that many strongly oppose, and you're forcing people to pay more at the pump, and yet you're not even providing a real breakdown for the cost of this war so far" [7].
The arithmetic the June 11 markup will have in front of it. The first six days of the war cost $11.3 billion, per the March closed-door briefing. The first 60 days cost $25 billion. Days 60 through 74 added $4 billion. That is a war whose marginal cost is running roughly $267 million a day in the latest two-week period — net of equipment replacement, not counting munitions reorders the Pentagon insists are "fairly fixed," not counting base damage Hurst will not estimate. The Harvard Kennedy School analyst's $1 trillion trajectory the paper cited Wednesday is the back-of-envelope answer if the rate of operations and equipment losses holds. The Pentagon has not contested it.
What changes on June 11 if no supplemental arrives. The HAC-D subcommittee can mark the FY27 bill with placeholder war language, with a supplemental hook, or with no acknowledgement of the war at all — leaving the operating cost to the executive's existing authorities. The first option moves the war into the regular appropriations track. The second buys time for the administration to file. The third makes the war legally invisible inside the budget the way Hegseth has tried to make it legally invisible inside the War Powers Resolution. Calvert's public demand for the supplemental signals that the third option is the one the subcommittee chair does not want to accept.
The watch through May 30: whether Hegseth files the supplemental; whether OMB transmits a number; whether Calvert holds the June 11 markup date; whether McConnell on the Senate side moves a parallel timeline; and whether McCollum's "early June" framing tightens into a specific filing date the subcommittee can publicly enforce. The Pentagon's two-week revision velocity is the metric. If the next revision arrives before June 11 and the number moves another $4 billion or more, the subcommittee will mark the FY27 bill against a war whose price has been revised three times in eight weeks. That is the budget the November midterm Congress will inherit.
-- SAMUEL CRANE, Washington