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Col. Gabriel L. Diana, 3rd Marine Littoral Regiment commanding officer, right, and staff tour the Virginia-class fast-attack submarine USS Vermont (SSN 792) on Joint Base Pearl Harbor-Hickam, Aug. 14, 2025. Vermont is assigned to Submarine Squadron 1 and is capable of supporting various missions, including anti-submarine warfare, anti-surface ship warfare, strike warfare, special operations forces support, and intelligence, surveillance, and reconnaissance. (U.S. Navy photo by Mass Communication Specialist 1st Class Scott Barnes)