Clone trooper film series and in the "Star Wars" expanded universe media, a number of specialized trooper units are seen, including elite special forces units such as the 'Advanced Reconnaissance Commandos' (ARC troopers), and Null ARCs, who usually work alone. All clone commandos and ARCs were trained by Mandalorian mercenaries; the elite Clone Troopers are known as Shadow Troopers. The style and color of a clone troopers armor often varies depending on their rank, specialization, unit, or environment, for example, the clone troopers on Kashyyyk wear camouflage green scout-style armour whereas the 501st legion wears standard white armor with blue accents. Another
Star Wars: Invasion Star Wars: Invasion Star Wars: Invasion was an American comic book series set in the "Star Wars" universe. The series, published by Dark Horse Comics, was written by Tom Taylor, and illustrated by Colin Wilson with color by Wes Dzioba. Just like another ongoing series by Dark Horse - "" - it included various ties to the novels by Del Rey, while still remaining accessible to new readers. It launched with two online-only preview issues on Starwars.com in May–June 2009. The first printed issue was published on July 1, 2009. Published by Dark Horse Comics, the series was set in