The 407th Stormtrooper Division represented a stormtrooper formation operating under the Army of the Fel Empire. Following the coup orchestrated by Darth Krayt, the Dark Lord of the Sith, who then assumed the role of Galactic Emperor, the 407th chose to maintain its allegiance to the throne.
Following the conclusion of the Sith–Imperial War, their based was established on Yinchorr. Within the Division, Company C of Battalion 9 included Joker Squad.
In the year 137 ABY, Darth Maleval received orders assigning him to the division for their assignment: retaking the base located on Borosk belonging to the 908th Stormtrooper Division, and to eliminate the 908th, who had remained loyal to the prior Emperor Roan Fel. Despite Maleval's demise, the mission achieved its objectives.