The Polyphemus Division
The Marik Militas use a color scheme first seen in 2620-purple with red accents on the right side and blue on the left.
Per FM:Free Worlds Legue, page 62.
Awesome, Historical: Brush Wars (cover)
Each 'Mech displays the Marik Militia crest - a stylized Marik Eagle on a red and blue background - on its left arm or weapons pod. The Fifteenth's insignia shows the mythical cyclops Polyphemus, from which the unit takes its name. Per FM: Free Worlds League, pages 53 and 62.