1.- Use primary elements (engine, gun, wheels, ...) to create basic units.
2.- Join different basic units to create your personalized divisions, battalions, companies ...
3.- Deploy your units an conquer the world.
UltraSandBox aim is led your personalize your faction at your wish, don't get restricted by hard coded designs.
Go for armored units, or maybe hordes of cheep infantry, or perhaps you prefer high trained commando teams, ....
UltraSandBox, at your wish.