USS Jack SSN 605

USS Jack (SSN-605) was a Permit-class nuclear-powered attack submarine in the United States Navy. Commissioned on March 31, 1967, she was notable for her unique propulsion system that used counter-rotating propellers, a rare feature among submarines. Throughout her service during the Cold War, USS Jack conducted numerous classified operations and patrols, contributing to the Navy’s anti-submarine warfare capabilities. She was decommissioned on July 11, 1990, after over two decades of service.