Exactly.
Capships, you jump in, you stick it out - you can't exit.
For transporting shock troops to other stationary space outposts and space stations, I think each side will have a dedicated troop transport. Now, such transport (DX-9 is a very practical one for this role) might have coding to keep it level to the main plane of combat, as to make landing it / docking it easier.
EDIT: Yeah I read your original post. You won't be using capships or fighters to get onto these space stations, I don't think. You'll either spawn on the station on the defensive team, or you can spawn in a hanger and board a small assault transport (enterable/exitable) on the assaulting team.
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