The mercenary command post costs $800 to construct, the upgrade to allow unofficial mercenaries costs $2000, and to allow illegal mercenaries costs $2500.
- Main article: Mercenaries
| Unofficial mercenaries upgrade|
Costs $2000. Unlocks unofficial mercenaries.
| Illegal mercenaries upgrade|
Costs $2500. Unlocks illegal mercenaries. Requires unofficial mercenaries upgrade.
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