Forgive me if this is a stupid question or if this has been already brought up and discussed before, but I have been mulling over this idea for the past couple of weeks and would like to hear the opinions of people who actually know the possibilities of the game mechanics. Is it possible to add passive upgrades for either all parts or parts of specific groups? For example, increasing the temperature tolerance by 25 degrees of all wings. My reasoning is this. I use the community tech tr