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SILVERDALE, Wash. (Oct. 27, 2025) Ohio-class ballistic missile submarine USS Pennsylvania (SSBN 735) arrives at Naval Base Kitsap-Bangor following routine operations at sea, Oct. 27, 2025. Pennsylvania is assigned to Commander, Submarine Group (SUBGRU) 9, which exercises operational and administrative control authority for assigned submarine commands and units in the Pacific Northwest providing oversight for shipboard training, personnel, supply and material readiness of SSBNs and their crews. SUBGRU-9 is also responsible for nuclear submarines undergoing conversion or overhaul at Puget Sound Naval Shipyard in Bremerton. (U.S. Navy photo by Mass Communication Specialist 1st Class Ryan Riley)