CBO: U.S.-Iran War Cost $38.1 Billion, Missile Interceptor Stockpiles Running Critically Low
nashnova research
A CBO report puts the cost of the US–Iran war at $38.1 billion so far, with each additional month adding $2–3 billion; two-thirds of America's missile-defense interceptors have been used up, and restocking will take at least five years — a gap that directly undermines US readiness for the next conflict.
Where did the $38.1 billion go?
More than half went to replacing missiles and munitions consumed in combat. This means → the most expensive part of this war is not firing the weapons — it is refilling the arsenal afterward.
Increased flight hours cost roughly $10.4 billion. Global fuel-price rises since the war began on February 28 added another $2.7 billion.
In plain terms = three spending drivers: ammo replacement > extra flying > fuel inflation — and ammo replacement alone ate the biggest share.
Two-thirds of interceptors gone — what does that mean?
The CBO warns that since June 2025, the US has burned through up to two-thirds of its national missile-defense interceptor inventory, mainly to help Israel counter Iranian strikes.
This means → America's missile-defense shield — at home and at bases worldwide — is severely depleted for years to come.
The CBO singled out China: a conflict involving heavy ballistic- and cruise-missile salvos — such as a Taiwan scenario — would make the current shortfall "particularly problematic."
In plain terms = interceptors are not bullets; they cannot be mass-produced on short notice. Even at an accelerated pace, restocking takes at least five years.
What does the Pentagon's own ledger show?
The Defense Department Inspector General released its first comprehensive audit one day before the CBO report: $33.4 billion spent through June 29 — $22.3 billion on munitions replacement, $7.4 billion on incremental operations, $3.7 billion on equipment losses.
Iranian strikes damaged or destroyed hundreds of buildings and facilities across bases in eight Middle Eastern countries. Aircraft losses include 4 F-15Es, 1 F-35A, 7 KC-135 tankers, 7 helicopters, and over 30 drones.
This reflects two independent audits reaching near-identical conclusions — not one source, but two review lines flashing red at the same time.
How expensive are the aircraft losses?
A single F-35A costs roughly $92 million; the F-15E is out of production — its 1998 unit cost was $31.1 million — and destroyed airframes cannot simply be reordered.
In plain terms = an out-of-production jet lost is a jet gone for good; money alone cannot replace it.
The State Department spent about $79.2 million on evacuations and contingencies; diplomatic facilities in four countries suffered roughly $184 million in damage. The Pentagon has not yet provided a reconstruction plan or funding estimate for the damaged bases.
Where is the real risk?
The rate of weapons consumption has created a "strategic inventory gap": shortages of solid rocket motors, explosives, propellants, and skilled workers are all constraining the restocking effort simultaneously.
This means → the problem is not just money — even if Congress appropriates the funds, production capacity and labor bottlenecks prevent a fast recovery.
This reflects a shift in the core variable of US military readiness: from "is the budget big enough" to "can the gap be closed before the next conflict begins."
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