A siege battalion trooper.
A Siege Battalion Trooper is a minifigure based on the 442nd Siege Battalion from Revenge of the Sith. These troopers were never actually seen in the movie and are basically Clone Troopers in Phase II armor with the same armor pattern as the 212th Attack Battalion and with green markings.
Role in Lego® Star Wars[]
The Siege Battalion troopers only appear in one set, a set called Wookiee Catamaran, which was released in 2005. In the set, the troopers came with the old type of blasters, bullhorn pieces with transparent blue tips. The minifigure had the same legs, torso, and head as normal Phase II armour Clone troopers, apart from the green markings printed on the helmet, and on the torso. These minifigures made an appearance in two of the Lego® Star Wars video games.