Instead of adding to invasion force bombardment should take away from the targeted systems industry each turn they are in orbit. Invasion force should be added with a module that adds commandos/marine type invaders to the ship.

I am not so sure, especially as we don't know of the specifics of how invasions work in this universe



However I have made a similar suggestion in this post that you may like: /#/endless-space/forum/28-game-design/thread/12509-new-invasion-model-works-same-as-befoe-but-now-looks-cooler