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: A New Dawn "Star Wars" novels and comics produced since the originating 1977 film "Star Wars" were rebranded by Lucasfilm as "Star Wars Legends" and declared non-canon to the franchise. "A New Dawn" was subsequently announced as the first of four canon novels to be released in 2014 and 2015. It includes a foreword from Dave Filoni, co-creator of "Star Wars Rebels". In addition to "Star Wars Rebels" characters Kanan Jarrus and Hera Syndulla, "A New Dawn" introduces Imperial captain Rae Sloane, who is later a Grand Admiral in the "" trilogy (2015–2017). Star Wars: A New Dawn Star Wars: A New Dawn