Board Thread:Warhammer 40k Roleplay/@comment-28917471-20150129223842/@comment-28917471-20150205204520

If you still want to play as someone who is from the Imperial Guards or the Imperial Navy. You can choose to be Arch-Militant or Void-Master.

The info about them is storaged in Rogue Trader Core Rulebook (Arch-mIlitant page 44 and Void-Master page 68).