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Note that the clearance signal can only be broadcast in a small radius around the Construction Yard or the Command Hub. Any structures outside of the broadcast radius cannot produce tier 2 units until a Construction Yard/Command Hub near them purchases the clearance upgrade.
|Barracks||Armor Facility||Airfield||Naval Yard|
|Spy||Guardian Tank||Cryocopter||Assault Destroyer|
|Cryo Legionnaire*||Pacifier FAV*|
|*= Requires Defense Bureau|