<page_title> STS-117 </page_title> <section_title> Mission payload </section_title> <table> <cell> Truss segment S3/S4 <col_header> Cargo </col_header> </cell> <cell> 16,183 kilograms (35,677 lb) <col_header> Mass </col_header> </cell> </table>
In STS-117, S3 weighs 16,183 kilograms.