<page_title> 1971 in the Vietnam War </page_title> <section_title> Year in numbers </section_title> <table> <cell> United States US Forces <col_header> Armed Force </col_header> </cell> <cell> 156,800 <col_header> Strength </col_header> </cell> </table>
The number of U.S. military personnel in Vietnam totaled 156,800.