===== Main Buildings =====

  * [[structures:Command Center]]

===== Support Structures =====

  * [[structures:Equipment Racks]]
  * [[structures:Holding Cell]]
  * [[structures:Storage Tanks]]

===== Passageways and Doors =====

  * [[structures:Airlock Doors to Outside]]
  * [[structures:Interior Passageway Door]]
  * [[structures:Heavy Lift Elevator Doors]]