Check out Balao Class Submarine USS Lagardo SS371 3D model on CGTrader for $119. High-quality Polygon mesh mesh by Dreamscape: 214145 polys, 114350 vertices. Rigged, Textured, UV Mapped.
STL (Stereolithography, filesize: 3.49 MB), OBJ (OBJ, filesize: 7.52 MB), MAX (Autodesk 3ds Max, filesize: 1.14 MB), LWO (Lightwave, filesize: 1.46 MB), 3DS (3D Studio, filesize: 1.3 MB), DWG (AutoCAD, filesize: 3.99 MB), DXF (DXF, filesize: 3.57 MB), TEXTURES (Textures, filesize: 794 KB), OTHER (Other, filesize: 2.83 MB), 3DM (Rhinoceros 3D, filesize: 2.66 MB)