The attack submarine USS Parche (SSN 683) returns to port for the final time at the Marginal pier at Naval Base Kitsap, Wash. Parche, the last active Sturgeon-class attack submarine, is due to be decommissioned on October 19, 2004 after serving the fleet since 1973. Parche was configured for research and development from 1987-1991 and was used primary for intelligence gathering and underwater salvage.