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Sources

Every figure on this site is sourced from published news reports, government documents, and defense analysis.

https://www.cnn.com/2026/03/06/politics/us-war-iran-cost

cnn.com|2026-04-30

Day 62 — ongoing operationsDay 17 — ongoing operations (Operation Epic Fury)Day 8 — ongoing operationsDay 7 — ongoing operations (~$1B/day)

https://trendytechtribe.com/energy/us-burned-14-years-missiles-30-days

trendytechtribe.com|2026-04-02

Tomahawk Land Attack Missile (TLAM)Army Tactical Missile Systems (ATACMS)Precision Strike Missiles (PrSMs)

https://abcnews.com/Politics/dozen-16m-reaper-drones-destroyed-iran-operations-us/story?id=131163787

abcnews.com|2026-03-17

Loss of MQ-9 Reaper drones in Iran operationsMQ-9 Reaper drone

https://www.thedailybeast.com/donald-trumps-iran-war-is-burning-through-years-worth-of-multibillion-dollar-stockpiles/

thedailybeast.com|2026-03-14

Tomahawk missile

https://europeanbusinessmagazine.com/business/the-iran-war-is-costing-1-43-billion-a-day-and-nobody-knows-when-it-ends/

europeanbusinessmagazine.com|2026-03-12

Day 13 — ongoing operations

https://militarywatchmagazine.com/article/us-patriot-interceptors-five-days-iran

militarywatchmagazine.com|2026-03-12

Patriot PAC-3 MSE Interceptor

https://www.csis.org/analysis/depleting-missile-defense-interceptor-inventory

csis.org|2026-03-12

THAAD Interceptor

https://www.cnn.com/2026/03/02/middleeast/us-weapons-iran-attack-intl-hnk-ml

cnn.com|2026-03-12

GBU-57 Massive Ordnance PenetratorAGM-158 JASSM (Joint Air-to-Surface Standoff Missile)Tomahawk Cruise Missile (BGM-109)

https://www.flightglobal.com/fixed-wing/critical-shortage-or-endless-supply-munitions-availability-in-the-iran-war/166575.article

flightglobal.com|2026-03-12

SM-6 Standard Missile

https://www.militarytimes.com/news/your-military/2026/03/04/us-launches-precision-strike-missiles-in-iran-war-in-first-combat-use/

militarytimes.com|2026-03-12

PrSM (Precision Strike Missile)

https://thehill.com/homenews/5780153-operation-epic-fury-cost/

thehill.com|2026-03-05

Days 5-6 continued operations and munitions

https://www.csis.org/analysis/37-billion-estimated-cost-epic-furys-first-100-hours

csis.org|2026-03-04

Combat losses — 3 F-15 fighter jets (friendly fire over Kuwait)Days 3-4 operational costs — air, naval, ground operationsAir defense interceptors — countering Iranian retaliationJDAM Guided Bomb (GBU-31/32/38)

https://www.washingtonpost.com/national-security/2026/03/09/iran-war-cost/

washingtonpost.com|2026-03-01

Day 2 strikes — continued munitions expenditureOpening strikes — Tomahawk and cruise missile salvos

Methodology

The headline total is the independent third-party estimate of direct US military cost from analysts like CSIS and figures reported by the Pentagon. The itemized events listed above sum to a separate confirmed floor: the specific spending we can each trace to a source. See the methodology page for how the two differ. Spending figures are extracted from published reporting and official government disclosures, and when a range is given we use the midpoint. All amounts are in USD. If you spot an error or have a better source, please reach out.