🇮🇷💥⚠️ Iran Operations Start Eating Into US Destroyer Fleet

The US Navy has concentrated an unusually large share of its destroyer force around the Middle East — just as the same ships are already spending far more time in maintenance than the Navy planned.

As of September 14, 13 Arleigh Burke-class destroyers were operating in the Arabian Sea and another two in the Red Sea as Washington sustained operations against Iran.

Those ships are being drawn from bases across the entire US fleet: Norfolk, Mayport, Yokosuka, San Diego, Pearl Harbor and Everett.

A week later, the concentration remained substantial. USNI tracked two destroyers in the Red Sea, around 10 in the Arabian Sea and several more immediately nearby in the Indian Ocean.

Keeping that many ships forward deployed puts additional pressure on a fleet whose maintenance system is already struggling.

A Congressional Budget Office (CBO) review of 225 Arleigh Burke maintenance periods found that overhauls completed between 2011 and 2024 took an average of 26% longer than the Navy’s final schedules and required 8% more labor than planned.

CBO estimates that an Arleigh Burke will now spend more than nine years of its service life in maintenance — over twice the amount envisioned in the Navy’s 2012 maintenance plans.

The ships are also getting older. The average age of the class rose from roughly 10 years in 2011 to 20 years in 2024, bringing more extensive repairs, modernization work and unexpected maintenance.

And Washington is already spending heavily to keep them available. Inflation-adjusted destroyer maintenance funding increased 400% between 2009 and 2024, while the fleet itself grew only about 25%.

Operations around Iran add another layer to that problem.
Long deployments mean more hours on propulsion systems, sensors and other equipment before ships return to already congested maintenance schedules. Delayed repairs then keep vessels out of the operational fleet longer, placing more pressure on the ships that remain available.

The geographic spread matters as well. Arleigh Burkes form the backbone of US surface combat power not only in the Middle East but across the Pacific and Atlantic.

Washington cannot create additional hulls when the same fleet is also expected to cover East Asia, Europe and other commitments.

The result is a simple numbers problem: the more ships the US keeps around Iran, the harder an already strained maintenance system has to work to sustain American naval presence everywhere else.

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