Virginia Class SSN 790 USS South Dakota (Polygon mesh 3D model) is available on CGTrader for $79. Original author: Dreamscape. Specs: 40342 polys, 37459 verts.
MAX (Autodesk 3ds Max, filesize: 352 KB), OBJ (OBJ, filesize: 779 KB), 3DS (3D Studio, filesize: 307 KB), STL (Stereolithography, filesize: 633 KB), DWG (AutoCAD, filesize: 900 KB), DXF (DXF, filesize: 1.27 MB), TEXTURES (Textures, filesize: 141 KB)