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How do you upgrade the US base in Act of Aggression?

+1 vote
asked Aug 31, 2015 by (850 points)
How do you get to the higher level buildings in Act of Aggression for the US faction?

1 Answer

0 votes
answered Sep 2, 2015 by (1,530 points)
selected Sep 3, 2015 by rushster
 
Best answer

There are three tiers of structures in the US faction.

Defcon 3 - Basic buildings and units
Defcon 2 - Advanced buildings and units
Defcon 1 - Very advanced buildings  and units

  1. You already have access to the Defcon 3 tab. To get access to Defcon 2 buildings you have to build a Refinery which is in the Defcon 3 tab.
  2. Once the Refinery is up you can learn Defcon 2.
  3. Once Defcon 2 is learnt you can learn Defcon 1
...