A module is considered damaged when it has no health. It ceases to function until repaired.
## Exterior
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Anywhere that is outside airtight space enclosed by walls, doors, or airlocks aboard your ship is considered exterior. If an exterior-only module somehow ends up on the inside of your ship, it will cease to function until outside again.
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Anywhere that is outside airtight space enclosed by walls, doors, or airlocks aboard your ship is considered exterior. If an exterior-only module somehow ends up on the inside of your ship, it will cease to function until outside again. More on airtight spaces [[here|Starfinder Ship Building/1 ❗Information❗/Building Mechanics#walls-doors-and-airlocks]].
## Interior
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Anywhere that is inside airtight space enclosed by walls, doors, or airlocks aboard your ship is considered interior. If an interior-only module is in an exterior space, it ceases to function until it is inside again.
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Anywhere that is inside airtight space enclosed by walls, doors, or airlocks aboard your ship is considered interior. If an interior-only module is in an exterior space, it ceases to function until it is inside again. More on airtight spaces [[here|Starfinder Ship Building/1 ❗Information❗/Building Mechanics#walls-doors-and-airlocks]].
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## Fragile
A fragile module ceases to function if its health is not full. This is separate from the damaged condition, and the module can still gain that condition if it is damaged to 0 health.