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Creator of the Star Trek Mod - AST Mod - 78 Ship Sets - Conquest Mod - Atrocities Star Wars Mod - Galaxy Reborn Mod - and Subterfuge Mod.
This map analysis looks pretty fair to me.
Ice/Rock are equivalent in all categories.
Gas overcomes a facility deficit with population bonuses to end with an equal resource production.
Micro and tiny moons give the vaccuum breathers back what they lose in the larger planets.
By the way... Replacing Life support by "Crew" that give combat bonus can be good.
On little fighter it would be (I don't know how to say it in english) an optional additional crewman that fire weapon resulting in more accuracy (you know, like in WW1 fighter). On bomber it would be the crew and may not be optionnal...
If you mean just on the fighters, I think I may just do that... though it wouldn't really replace lifesupport.
Not requiring an explicit lifesupport component on the short-range (no strategic move) fighters would be quite reasonable I think. And having an optional double-cockpit for some small combat bonus would be good.