page_title: USS James K. Polk (SSBN-645)
hierarchical_section_title: USS James K. Polk (SSBN-645)
caption_attribution_description: USS&#160;James K. Polk&#160;(SSBN-645) English: United States Navy fleet ballistic missile submarine , probably while on sea trials.
context_page_description: USS James K. Polk (SSBN-645), a Benjamin Franklin class fleet ballistic missile submarine, was the second ship of the United States Navy to be named for James K. Polk, the eleventh President of the United States. She was later converted into an attack submarine and redesignated SSN-645.
context_section_description: USS James K. Polk (SSBN-645), a Benjamin Franklin class fleet ballistic missile submarine, was the second ship of the United States Navy to be named for James K. Polk (1795–1849), the eleventh President of the United States (1845–1849). She was later converted into an attack submarine and redesignated SSN-645.
caption: USS James K. Polk (SSBN-645), probably while on sea trials in the spring of 1966.
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