Analysis from West Point warns that strait of Hormuz blockade will strangle US defense industry
Image: The Guardian

Analysis from West Point warns that strait of Hormuz blockade will strangle US defense industry

19 March, 2026.Iran.1 sources

Key Takeaways

  • Strait closure creates a paralyzing, real-time constraint on a US defense manufacturing surge
  • It also hampers repair of defense equipment damaged by Iranian attacks
  • Sulphur is a vital upstream input in extracting critical minerals like copper

Hormuz closure impact

The closure of the strait of Hormuz is causing a “paralyzing, real-time problem” for any prospective manufacturing surge in the US defense industrial base, and even for the repair of defense equipment damaged by Iranian attacks, according to analysis published by West Point’s Modern War Institute.

The closure of the strait of Hormuz is causing a “paralyzing, real-time problem” for any prospective manufacturing surge in the US defense industrial base, and even for the repair of defense equipment damaged by Iranian attacks, according to analysis published by West Point’s Modern War Institute

The GuardianThe Guardian

Sulphur disruption in trade

In particular sulphur, a vital upstream input in the extraction of critical minerals including copper and cobalt, has seen a “near total” disruption of seaborne trade in the straits, which makes up half the world’s total shipments, and prices have spiked nearly 25% since the war began, and seen a 165% rise year on year, the report said.

Copper and mineral estimates

The authors offer specific estimates for materials damaged in the early days of the war, writing that “it will take over thirty thousand kilograms of copper just to replace the two major US radars destroyed in Bahrain and Qatar” and “thousands of kilograms of additional copper to fix or replace other damaged US communication equipment, sensors, and radars in Jordan, Kuwait, Saudi Arabia, and the UAE”.

The closure of the strait of Hormuz is causing a “paralyzing, real-time problem” for any prospective manufacturing surge in the US defense industrial base, and even for the repair of defense equipment damaged by Iranian attacks, according to analysis published by West Point’s Modern War Institute

The GuardianThe Guardian

Supply chain transparency crisis

According to a separate February analysis, also co-written by Matisek, only 6% of US defense contractors have fully transparent supply chains.

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