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US Navy Subs Lose 15,000 Days at Sea: The $3.4bn Maintenance Crisis

The US Navy has lost 15,000 operational days and $3.4bn due to submarine maintenance delays over the past decade.

US Navy
US Navy submarines idle at piers due to maintenance delays, costing billions.

The US Navy has lost 15,000 operational days and incurred $3.4 billion in costs due to delays in submarine maintenance over the past decade, according to a Government Accountability Office (GAO) report. The delays have left submarines and their crews idle at piers, waiting for shipyard space. The GAO report, released on Thursday, highlights that Los Angeles-class and Virginia-class attack submarines experienced significant maintenance delays between 2016 and 2025. These delays have reduced the fleet’s readiness and left fewer submarines available for national security missions, according to Diana Maurer, the…

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