Converter Attachment Module (CAM)
The CAM module adds bulk ISRU processing for low gravity worlds where ferrying ore to orbit is cheap and quick. Attached to the KSS’s nadir docking port, it adds a large RCS tank, four ISRU processors and 6000 units of ore storage.
Built with 58 of the finest parts, its root part is dockingPortLarge.
Built in the VAB in KSP version 1.2.2.