US Navy (USN) Sailors assigned to the Sturgeon Class Attack Submarine USS PARCHE (SSN 683), lower the National ENSIGN for the last time during a change of command and decommissioning ceremony held at Puget Sound Naval Shipyard in Bremerton, Washington (WA). The PARCHE, the last of the Sturgeon Class attack submarines, was configured for research and development from 1987-1991 and used primarily for intelligence gathering and underwater salvage