From the Publisher's web site: Welcome to the MOHRG EMPIRE CAPTAINS expansion set for the popular STARFIGHT© game. This is not a game itself, you need at least the STARFIGHT base rules, the STAR CAPTAINS expansion and the EXPANSION PACK V in order to play with this expansion. In this expansion, you will find four Drakus Empire captains and some new orders for this faction. This PDF contains • A rulesheet • 4 crew sheets Expands: Starfight