The most immediate threat to U.S. undersea dominance is not foreign adversaries, but a domestic industrial crisis. A significant portion of the attack submarine fleet is currently sidelined by extended maintenance delays driven by shipyard capacity limits, workforce shortages, and supply chain issues. The article highlights the USS Boise, which waited over seven years for repairs, and notes that the critical Columbia-class program is running 12-16 months behind schedule. While the Navy is investing billions in the Shipyard Infrastructure Optimization Program (SIOP) to modernize facilities like Puget Sound, these systemic bottlenecks pose a severe