ND-47C was an enhanced EEC-MAD droid and commander-in-chief of the Confederacy of United Systems. He was Supreme Chancellor Sargos's personal assistant during his terms as Supreme Chancellor of the CUS. ND-47C commanded all but ten battalions of droids who serve Sargos directly. ND-47C also served as the First Officer of Sargos while on the Grievous' Fist. ND-47C was known throughout the galaxy to be adept in the use of lightsabers and lightwhips. The droid maintained a major CUS base on the asteroid mining world of Yterris VI, which was the headquarters for the CUS Army and Space Navy.