<page_title> Aluminium–lithium alloy </page_title> <section_title> Third-generation alloys (1990s-2010s) </section_title> <table> <cell> 2195 <col_header> Alloy name/number </col_header> </cell> <cell> Ares I crew launch vehicle - upper stage; Last revision of the Space Shuttle Super Lightweight External Tank <col_header> Applications </col_header> </cell> </table>
The third and final version of the Space Shuttle's external tank was made of Al–Li 2195 alloy.