Originally posted by Ijuin
You get Endgame C if Beaufort Station ever gets destroyed. If you want to get to Endgame B, you need to keep Beaufort from being destroyed, AND have not captured the Fralthi in mission 1. To get Endgame A, you need to keep Beaufort safe AND have captured the Fralthi.
Originally posted by cff
You get to Endgame B if you protected Beauford and don't have the Fralthi with you anymore by the end of the 10th mission.