Trident group one was a squadron of five droid tri-fighters belonging to the Separatist faction. This group took part in the Battle of Sullust, a conflict during the Clone Wars era in 20 BBY between the Separatists and the Galactic Republic. Alongside Trident group two, this group assisted the Sith apprentice Asajj Ventress during the engagement. Ventress tasked the droid fighters of Trident group one with attacking the starboard engines of the _Venator_-class Star Destroyer Resolute. Soon after this attack, Separatist forces managed to destroy the Republic cruiser. Even with this loss, the Republic forces ultimately achieved victory in the battle.
The animated television show Star Wars: The Clone Wars featured Trident group one in the episode "Nightsisters," which was the twelfth episode of its third season. This episode was originally broadcast on January 7, 2011.