This is NOT
C&C, not in the traditional sense.
As I've said before, the way it's presented so far it reminds me more of Imperium Galactica games rather than C&C-series or the Dune-series.
Your force building will be out of combat mode, then you have to bring those combat units to the battlefield, be it ships to blockade a planet or defeat an enemy fleet, or ground units to destroy a certain building or to completelly take over a planet, which again is totally up to you to decide which planet to conqour or enemy fleet to defeat.
This means there will be "down-times" where you do not do combat, not like with Dune where you chose which area of Arakis you wanted to attack and then initiated combat immediatly.
Think a more advanced Rebellion. Wether it will feature 200 planets I don't know, but we can hope.
Anyway, this can eventually amount to a very large number of units (uncontrollable amount if it's just let loose), so it would be needed to be controlled somehow.