Efficiency 'E.' During 1994, Seahorse deployed as the submarine element of UNITAS XXXV-94, a five-month circumnavigation of South America around Cape Horn, interoperating with Central and South American naval forces and conducting goodwill port calls. She completed her fourth transit of the Panama Canal at the conclusion of UNITAS, and returned to Charleston in December 1994. In early 1995, Seahorse departed Charleston, her home port for twenty five years, heading to Puget Sound Naval Shipyard for deactivation. En route, she again transited the Panama Canal, and conducted Deep Submergence Rescue Vehicle operations. USS Seahorse, the "Thoroughbred of the Fleet," was decommissioned on 17 August 1995. Over her twenty five years of service, Seahorse earned a Navy Unit Commendation, three Meritorious Unit Commendations, and two Battle Efficiency "Es." Commanding Officers Commander George T. Harper, 19 September 1969 – 25 September 1970 Commander William E. Ratliff, 25 September 1970 – 13 December 1973 Commander Nathan A Heuberger, 13 December 1973 – 22 January 1977 Commander Henry C. McKinney, 22 January 1977 – 12 June 1980 Captain Joseph D. Sharpe, Jr, 12 June 1980 – 23 August 1983 Captain Jasper B. Johnston, Jr, 23 August 1983 – 11 April 1985 Commander Wynn A. Harding, 11 April 1985 – 31 August 1987 Commander Paul E. Taylor, 31 August 1987 – 22 June 1990 Commander James R. Alley, 22 June 1990 – 30 April 1993 Commander Richard N. Current, 30 April 1993 – 17 December 1995 Decommissioning and disposal Seahorse was decommissioned on 17 August 1995 and stricken from the Naval Vessel Register the same day. Her scrapping via the Nuclear-Powered Ship and Submarine Recycling Program at Puget Sound Naval Shipyard in Bremerton, Washington, began on 1 March 1995 and was completed on 30 September 1996. One of her sail planes is on public display in memorial garden at the former Sand Point Naval Air Station (now Warren G. Magnuson Park) near Seattle. References NavSource Online: Submarine Photo Archive Seahorse (SSN-669) This article includes and adapts text from the USS Seahorse Decommissioning Ceremony Program, 17 August 1995, Puget Sound Naval Shipyard, Bremerton, Washington. http://navsource.org/archives/08/pdf/0866928.pdf External links www.ussseahorse.org website for USS Seahorse (SS-304) and USS Seahorse (SSN-669) Ships built in Groton, Connecticut Sturgeon-class submarines Cold War submarines of the United States Nuclear submarines of the United States Navy United States submarine accidents Maritime incidents in 1972 1968 ships