Catherine Stone is a Human Imperial Medical Officer who is currently posted on Imperial Federation Warship NXT Enterprise-D as its Chief Combat Medical Officer. Catherine also was one of the first Imperial Officers that volunteered for BORG Enhancement and was the central genetic template for Prototype Command BORG Bio-Mechanical Weapons Core Command drone Seven of Nine. Also through her efforts Catherine managed to stop the epidemic of genetically engineered Dominion Plague on Cardassia Prime.