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MTS-626 – ex-USS Daniel Webster (SSBN-626)

USS Daniel Webster (SSBN-626), a Lafayette-class ballistic missile submarine, was the only ship of the United States Navy to be named for Senator Daniel Webster (1782–1852).

Daniel Webster was decommissioned on 30 August 1990 and stricken from the Naval Vessel Register the same day. Ex-Daniel Webster was converted to a Moored Training Ship (S5W Prototype facility) by the Charleston Naval Shipyard. Upon completion and now designated “MTS-626,” she was towed up river to her permanent berth at the Naval Nuclear Power Training Unit, Charleston, South Carolina.