> At some point you "upgrade" your economy and build a new selection robots, tanks, artillery and planes that are almost identical to the first batch but are bi

> At some point you "upgrade" your economy and build a new selection robots, tanks, artillery and planes that are almost identical to the first batch but are bigger and better. While this is somewhat true, there are definitely T1 units that trump T2 and T2 that trump T3, due to specializations and cost. For instance, massed T2 UEF AA units are great for taking out T3 air on the cheap; especially if you're focused on land combat.