Clone trooper sergeants wore Phase I clone trooper armor with olive green markings on their helmets and torso at the beginning of the Clone Wars. Some clone trooper sergeants that were known to have acquired the rank didn't have green flashes on their battle armor. These such troopers included the sergeant aiding in Anakin Skywalker's search for Asajj Ventress on Yavin 4 after the Battle of Muunilinst, as well as two unmarked clone sergeants participating in the Battle of Rishi moon and in the Battle of Ryloth.
As one of the non-commissioned officer ranks in the Grand Army, clone sergeants were in the thick of battle along with the troops under their command. They commanded squads of nine clone troopers. Clone lieutenants coordinated the squads under the sergeants' command into platoons.
ARC trooper sergeantsEdit
The rank of sergeant was also applied to ARC troopers as a ranking of unknown command placement. These ARC sergeants also bore green markings. The most notifiable of these units was Null-class Advanced Recon Commando Null-12, nicknamed as A'den. Another ARC sergeant operated with Anakin Skywalker during the Battle of Praesitlyn, during an attempt to free hostages.
- Star Wars: Battlefront
- Star Wars Episode II: Attack of the Clones (First appearance)
- Star Wars: Clone Wars – "Chapter 17"
- Star Wars: Republic Commando
- "Outward Bound"
- Star Wars: The Clone Wars – "The Hidden Enemy"
- The Clone Wars: Decide Your Destiny: The Lost Legion
- Star Wars: The Clone Wars – "Rising Malevolence"
- Star Wars: The Clone Wars – "Rookies"
- Star Wars: The Clone Wars – "Innocents of Ryloth"
- Star Wars: The Clone Wars: Republic Heroes
- Star Wars: The Clone Wars – "Death Trap"
- Star Wars: The Clone Wars – "R2 Come Home" (Appears in flashback(s))
- Star Wars: The Clone Wars – "The General"
- The Droid Deception
- Republic Commando: Triple Zero
- Republic Commando: True Colors
- Order 66: A Republic Commando Novel
- Jedi Trial
- "The Package" - Star Wars: Clone Wars Adventures Volume 3
- "Orders" - Star Wars: Clone Wars Adventures Volume 4
- "The Order of Outcasts" - Star Wars: Clone Wars Adventures Volume 5
- "The Drop" - Star Wars: Clone Wars Adventures Volume 6
- Star Wars: Republic: Into the Unknown
- "Guide to the Grand Army of the Republic"—Star Wars Insider 84
- "Order 66: Destroy All Jedi"—Star Wars Insider 87
- Star Wars: Complete Locations
- The Essential Guide to Warfare