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
Journey to Star Wars the release of "The Force Awakens" in December 2015. Three novels and a comic miniseries related to the 2017 film "" were announced in April 2017. A large number of licensed novels and comics were produced between the originating 1977 film "Star Wars" and the 2012 acquisition of Lucasfilm by The Walt Disney Company, set in what was dubbed the "Star Wars" Expanded Universe. In April 2014, with "The Force Awakens" in production, Disney rebranded this body of work as "Star Wars Legends" and declared it non-canon to the franchise. "Journey to "Star Wars: The Force Awakens"", consisting of "at