Planet health represents the number of emergency shelters (or emergency supplies) on the planet in question, the more there are, the harder it is to destroy the colony. The three factions have research options to negate the effects of bombardment. The TEC have Catastrophe Recovery which allows the planet health to recover much quicker after a failed bombardment, the Advent have Hardened Cities, which reduces bombardment damage, and the Vasari have Trauma Nanomedicine, which allows a greater proportion of the population to survive the effects of bombardment.

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