page_title: USS Cutlass (SS-478)
section_title: 1973-Present (Taiwan)
hierarchical_section_title: USS Cutlass (SS-478) / Operational history / 1973-Present (Taiwan)
caption_attribution_description: 中文（繁體）‎: 中華民國海軍海獅軍艦（SS-791）左側，停泊高雄港。
context_page_description: USS Cutlass (SS-478), a Tench-class submarine, was the only ship of the United States Navy to be named for the cutlassfish, a long, thin fish found widely along the coasts of the United States and in the West Indies. Her keel was laid down by the Portsmouth Navy Yard on 10 July 1944. She was launched on 5 November 1944 sponsored by Mrs. R. E. Kintner, and commissioned on 17 March 1945 with Commander Herbert L. Jukes in command.
context_section_description: On 4 December 1973, Cutlass had her torpedo tubes sealed and was sold to Taiwan, where she was commissioned in the Republic of China Navy as ROCS Hai Shih (SS-791), (meaning "sea lion").They then tried to restore its torpedo capabilities. In January 2017, Taiwan announced that it would receive a retrofit to extend its service life until 2026, making it the longest-serving submarine in history. The submarine is still operational and reportedly capable of combat. The $19 million retrofit will be to improve the hull and the diesel vessel's navigational elements.
caption: Hai Shih ex-Cutlass in Taiwanese service
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