<page_title> List of most successful U-boat commanders </page_title> <section_title> World War II </section_title> <table> <cell> 6 <col_header> # </col_header> </cell> <cell> Heinrich Lehmann-Willenbrock <col_header> Commander </col_header> </cell> <cell> 179,125 tons <col_header> Tonnage </col_header> </cell> </table>
Heinrich Lehmann-Willenbrock was the sixth successful U-boat commanders, in terms of tonnage.