Galaxy gunships and drop pods as well as other side grades.

[Shlomoshun]

Just make the armor in a GG relative to how many crew are included, and youv'e got balance regardless of how people try to exploit it. A GG with 2 crew or a dualboxer gets 2/6 of the total armor that a 6/6 fully staffed one gets. Play with this ratio to find some sort of balance (or slight imbalance to encourage whatever playstyle the Dev's want) and it's an unexploitable vehicle.