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SILVERDALE, Wash. (Jan. 20, 2026) A Sailor assigned to Trident Refit Facility throws a heaving line to Ohio-class ballistic-missile submarine USS Pennsylvania (SSBN 735) as the submarine arrives at Naval Base Kitsap-Bangor following routine operations in the Puget Sound, Jan. 20. 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)