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Iran Conflict 2026
31MAR

$200bn war bill not yet sent to Congress

2 min read
08:23UTC

At $800 million per day, the Iran war is burning through money Congress has not authorised and may not approve.

ConflictDeveloping
Key takeaway

Military operations are expanding while Congress refuses to pay for them.

Pentagon officials confirmed on 31 March that their $200 billion Iran war supplemental has not been formally submitted to Congress. 1 Republican leaders told the Washington Post they lack the votes within their own party. The US spent roughly $15 billion in the first 19 days, nearly $800 million per day, more than the entire annual budget of the US Coast Guard.

The funding gap matters operationally. The 82nd Airborne's Devil Brigade is deploying to Kuwait . The USS Tripoli arrived with 3,500 Marines. Three Pentagon sources confirmed planning for "weeks of ground operations" including an amphibious seizure of Kharg Island. All of this requires money Congress has not authorised. Defence Secretary Pete Hegseth confirmed a forthcoming request but said the figure "could move." Heritage Foundation president Kevin Roberts endorsed the Republican resistance.

Deep Analysis

In plain English

The US military has been spending roughly $800 million every day on this war. To keep going, the Pentagon needs Congress to approve a special $200 billion funding package on top of the normal defence budget. That package has not been submitted to Congress yet. Republican leaders, from the president's own party, have said they do not have enough votes to pass it. The Heritage Foundation, a conservative think tank that helped write Trump's policy agenda, is backing the resistance. The practical problem is that the US has already committed ground troops to Kuwait and is planning to seize an Iranian oil island. All of that requires money Congress has not authorised.

What could happen next?
  • Risk

    Without supplemental authorisation, ground force deployments and Kharg Island planning may outpace available funding, creating a legal and operational crisis simultaneously.

    Short term · 0.75
  • Consequence

    Republican resistance from within the president's own party removes the political safety net that a bipartisan supplemental would normally provide.

    Immediate · 0.85
  • Opportunity

    The funding gap creates domestic leverage for a negotiated settlement: if the war cannot be funded at current scale, a deal becomes financially necessary regardless of military preference.

    Short term · 0.7
First Reported In

Update #53 · Trump drops Hormuz goal; toll becomes law

Washington Post· 31 Mar 2026
Read original
Causes and effects
This Event
$200bn war bill not yet sent to Congress
Without the $200 billion supplemental, the military expansion (ground troops, amphibious planning, interceptor replenishment) lacks financial authorisation.
Different Perspectives
Gulf shipping and insurance markets
Gulf shipping and insurance markets
With Hormuz and Bab el-Mandeb both hostile at once, war-risk underwriters face their first dual-chokepoint pricing problem; the rerouting hedge that absorbed one closure is gone for Israeli-linked hulls. Any deal that reopens Hormuz without a Houthi stand-down clause delivers only partial shipping relief.
Russia and China
Russia and China
Russia and China met IAEA chief Grossi jointly in Geneva on 5 June to coordinate an advance blocking position against Washington's censure resolution, the first documented instance of proactive pre-session obstruction rather than reactive post-vote dissent. Beijing's move came four days after OFAC designated Shanghai Qianye Energy under Iran energy sanctions.
Saudi Arabia
Saudi Arabia
Saudi Arabia was left out of the emergency $4.01 billion Patriot waiver Qatar received on 2 May as its own PAC-3 stocks ran near-empty from intercepting Iranian salvoes over Aramco facilities. Riyadh is on a standard 18-month FMS queue behind a production line booked through 2030, with no equivalent priority to Qatar's Al Udeid basing role.
Houthis (Ansar Allah)
Houthis (Ansar Allah)
The Houthis declared a complete ban on Israeli Red Sea navigation on 8 June and struck Jaffa, their first attack on Israeli territory since April, seven days after the Tasnim authorisation to activate other fronts including Bab el-Mandeb. The declaration put both chokepoints under hostile authority simultaneously.
Iran
Iran
Iran agreed the 9 June mutual halt after the Mahshahr exchange and coordinated with Russia and China to block Washington's IAEA censure resolution, using the Board as a second front while the bilateral pause held on the military one. Tehran's acceptance of the Lebanon carve-out contradicts the linkage position it stated on 1 June.
Benjamin Netanyahu and the IDF
Benjamin Netanyahu and the IDF
Israel struck the Karun Petrochemical plant at Mahshahr on 8 June over Trump's explicit objection, then agreed a halt with Iran the following day scoped on Israeli terms with Lebanon carved out. Netanyahu's posture is that the IDF will not accept Iranian missile factories as off-limits regardless of US diplomatic timelines.