For more information about the GPS Satellites plan, it's loosely based on existing GPS satellites. In the real world, you need at least 4 satellites to get GPS coordinates and 24 is the current best number for optimal coverage globally. Having each nation be able to only build 1 satellite will require coordinate and teamwork, which I think is an important part of the game. By working together, nations can build a GPS network for their alliance, requiring at least 4 to active (produce any GP