Squad Three, a unit within the Confederacy of Independent Systems' droid army, consisted of both B1-series battle droids and B2-series super battle droids. This squad operated under the command of Neimoidian General Lok Durd and saw combat on the planet Maridun in 21 BBY during the Clone Wars, fighting alongside Squad Two.
The animated television show Star Wars: The Clone Wars' first season's fourteenth episode, "Defenders of Peace," featured Squad Three. This episode was initially broadcast on January 23, 2009.