Veyd Sahvoz(And I fixed it, he's a captain now :)
(( Er... His 'Class,' even though it would actually be 'Rank,' still says Commander. Oh, and a Captain would typically lead a company of 100 Space Marines(Including him) , split into Twenty five-man squads, each lead by a Space Marine Sergeant. Read literally every single last word of the Astartes wiki/codex, mate. You need to know everything in order to fight effectively :P And which Company is it? First Company? Third Company? Is your personal squad an Assault, Tactical, or Devastator squad? What are your weapons? Space Marine squads typically contain ten Space Marines, including its Sergeant and/or Captain. Also, Squadron is a naval/vehicular/aerial term, not infantry. ))