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US Missile Interceptor Stockpiles Depleted by Iran Conflict

US Missile Interceptor Stockpiles Depleted by Iran Conflict

First seen 13 Oct 2026, 12:29 UTC • •
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ThreatCluster AI
ThreatCluster •October 13, 2026 at 23:09 UTC
  • •U.S. missile interceptor stocks depleted by 50-66% due to the Iran conflict.
  • •The conflict has cost the U.S. military approximately $38 billion.
  • •Replenishment of missile stocks may take at least five years due to manufacturing delays.

The ongoing conflict with Iran has led to a significant depletion of U.S. Missile interceptor stocks, with the Congressional Budget Office estimating that between one-half and two-thirds of the inventory has been consumed since June 2025. The U.S. Military has incurred costs of approximately $38 billion due to combat operations against Iran, primarily impacting missile-defense systems such as Patriot and THAAD. The Pentagon has initiated contracts worth over $100 billion to replenish these stocks, but manufacturing lead times of 25 to 51 months mean that replenishment will take years. This depletion is affecting U.S. Military capabilities in other regions, including Ukraine, which has reported a shortage of interceptors. The Pentagon's inability to quickly scale production has raised concerns about future military readiness.

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Timeline

2025-06-01
Iran conflict escalated
U.S. military operations against Iran began, leading to significant missile interceptor usage.
Military Times
2026-09-15
CBO report on interceptor depletion released
The Congressional Budget Office estimated that the Iran conflict consumed two-thirds of U.S. missile interceptors.
Military Times
2026-10-12
Pentagon contracts for missile replenishment announced
The Pentagon awarded contracts totaling over $100 billion to replenish missile stocks depleted by the Iran conflict.
Asia Times

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Common questions

How much of the interceptor inventory has been used?
The CBO estimates that between one-half and two-thirds of the U.S. missile interceptor inventory has been consumed since June 2025.
What are the financial implications of the conflict?
The U.S. military has incurred costs of approximately $38 billion due to combat operations against Iran.
How long will it take to replenish the missile stocks?
Replenishing the depleted missile stocks could take at least five years, even with increased production rates.