<page_title> Atlas V </page_title> <section_title> Versions </section_title> <table> <cell> 431 <col_header> Version </col_header> </cell> <cell> 4 m <col_header> Fairing </col_header> </cell> <cell> 1 <col_header> CCBs </col_header> </cell> <cell> 3 <col_header> SRBs </col_header> </cell> <cell> 552 <col_header> Version </col_header> </cell> <cell> 5 <col_header> SRBs </col_header> </cell> </table>
An Atlas V 552 has 5 solid rocket boosters, whereas an Atlas V 431 has a 4-meter fairing, 3 solid rocket boosters and 1 Centaur engine.