the 1st LAAM Battalion, USMC, and then proceeding to the Long Beach Naval Shipyard.Tortuga disembarked her marines and proceeded to pier 7 where she was moored outboard of . On 3 January 1970, Tortuga got underway for the Inactivation Facility at Mare Island, where she was decommissioned on 26 January 1970. Transferred to the temporary custody of the Maritime Administration (MARAD) on 6 October 1970, the ship was berthed at Suisun Bay, California, where she was later placed in permanent custody of MARAD on 1 September 1971. She was struck from the Navy list on 15 October 1976.Tortuga was awarded five engagement stars for her Korean War service and eight for service off Vietnam. From 1983 to 1987 Tortuga was used as a target ship and based at Port Hueneme, California. During trials the ship was repeatedly hit by Tomahawk missiles. On 15 December 1987 Tortuga'' ran aground on San Miguel Island after breaking its tow during a storm. The ship was scrapped on site, with the process taking over eight months to complete. Awards and decorations References External links Casa Grande-class dock landing ships of the United States Navy Ships built in Boston 1945 ships Cold War amphibious warfare vessels of the United States Vietnam War amphibious warfare vessels of the United States