Auto-turrets serve as Tychus Findlay's static defense option in Co-op Missions. They are detectors, and are small in size. They can be used as a mineral dump once all of Tychus's upgrades have been completed in the late game, to secure bases or objectives.
Salvages this structure, removing it and returning 75% of its mineral and gas value cost. Salvage takes 5 seconds to finish. Warning: once Salvage is triggers, it cannot be canceled.