The unit was also known simply as 'Green Company' which also served as the nickname or callsign to which the battalion had green markings for the Clone Troopers enlisted within the unit, and to which Commander Gree's name derives from the actual name of the color 'green'. Thus, they eventually became a redeveloped unit within the Grand Army of the Republic and were no longer part of the 3rd Brigade, but rather an entirely new brigade bearing the '41st' name (thus, 'Grey Company' was established alongside 'Green Company' after becoming merged with the 7th Battalion making the latter all part of the 41st Elite Corps.

Although they were an elite unit during their primetime in the Clone Wars, they (however) suffered many numerous defeats due to being 'underpowered' during certain battles, and often required reinforcements from other units. fought in many numerous battles during the Clone Wars, and were often assigned to several major campaigns (like with most other units). Roopers led by Jedi General Luminara Unduli, Padawan Commander Barriss Offee (briefly), and Marshal commanding officer Clone Commander Gree (who served as Senior Clone Officer). (originally known as 'Green Company' when it was a battalion during the middle of the Clone Wars) was a regiment of Clone T