07.03.2026 11:52Author: Viacheslav Vasipenok

The Most Important Admission of the War: Aircraft Carriers Can't Reopen the Strait of Hormuz

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In the midst of escalating tensions in the Persian Gulf, a startling reality has emerged: raw military might, embodied by the formidable presence of U.S. aircraft carriers, is insufficient to restore vital shipping lanes. The insurance policy can. But that insurance policy is short by a staggering $332 billion.

The Trump administration recently announced a $20 billion reinsurance program through the Development Finance Corporation (DFC) to cover losses from war risks for vessels transiting the Persian Gulf. The DFC will coordinate with the U.S. Treasury Department and U.S. Central Command (CENTCOM).

Priorities include oil, gasoline, liquefied natural gas (LNG), jet fuel, and fertilizers. The stated goal is to physically resume tanker traffic through the Strait of Hormuz, which handles twenty percent of the world's oil supplies.

According to estimates from JPMorgan, the aggregate war risk for all maritime trade in the Persian Gulf stands at $352 billion.

For eighty years, the U.S. Navy has guaranteed freedom of navigation on the world's critical waterways through the application of military force. Currently, two carrier strike groups are deployed in the region, concentrating more firepower in one body of water than most nations possess across their entire armed forces.

And none of it can force a tanker to move.

The tanker's dilemma isn't Iranian missiles. It's that seven insurance clubs, which provide war risk coverage, canceled their policies effective March 5. Without this coverage, a vessel cannot fulfill its financing agreement obligations, meet destination port insurance requirements, or comply with charter party liability terms.

A ship lacking war risk insurance is legally sidelined from global maritime trade, regardless of how many warships surround it.

Aircraft carriers establish a security perimeter. Reinsurance grants permission to sail. Without both, nothing budges. The Navy could sink every Iranian vessel afloat, and tankers still wouldn't transit until someone in an office in London, Bermuda, or Connecticut underwrites the voyage.

Seven letters from those seven insurance clubs effectively shuttered the "Hormuz port." The United States has just responded with an eighth letter. The question every oil trader should be asking is whether $20 billion in coverage is enough to persuade an owner to dispatch a $300 million vessel through waters where, on March 1, Iranian drones struck the "Skylight," GPS jamming disrupted 1,100 ships in a single day, and the reinsurance market—typically the arbiter of such risks — has officially and contractually bowed out.

The program is in place. The ships remain at anchor.

Summary: For Those Short on Time

  • The U.S. government has acknowledged that military force alone cannot reopen the Strait of Hormuz.
  • On March 5, seven insurance clubs canceled war risk coverage in the Persian Gulf.
  • The Trump administration launched a $20 billion reinsurance program via the DFC.
  • The current war risk for maritime trade in the Persian Gulf is $352 billion.
  • The federal program covers less than 6% of the total at-risk insurance amount.
  • Vessels cannot legally sail without liability insurance, irrespective of naval protection.
  • Insufficient coverage is blocking tanker movements, despite the presence of U.S. carriers.

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