- Propulsion,Main,Secondary and Missile Technology determine the base levels of your tank equipment.
- Upgrades have better performance.
- The "Switch" options in the upgrade screen allow you to change the type of your Propulsion,Main Battery,Secondary Battery,and Missile systems.
- You need to switch to a new tech after you have enabled it to get anything out of it.
- Bio beats Nuke beats Chem beats Bio.