To keep all the weapons and installations running smoothly these guys know it all - Whether it's rewiring that broken coffee machine in the lounge so it works or it's repairing the station weaponry in the middle of a battle.
Your forces are organized and correctly equipped. But with everybody having personal commo gear, you might want to consider adding some communications specialists. Maybe a robot...or a hot chick. Yes, her soothing voice will provide hard working storm troopers with a constant reminder of why they fight!