One thing that I would like to see is a +strafe and +bomb command when dealing with Starfighters or other airborne assets versus armies. The strafe would deal out more damage to a wider spread of troops than what you are getting now. It is kind of silly to be opening up with your lasers on a huge group of troops, only to kill one person or injure only one person. If you had a coded torpedo or missile, use it as a +bomb and this would be an even more devastating attack....same thing versus armor and the like. Also, if you take a look at the cost of shooting (in fuel) versus the actual damage you are doing to an army, it doesn't really equate.
Right now I like the fact that PCs on foot, in armor, in the air, all can interact. I think thats great, but I think some tweaking is in dire need.