Colonel Gerhardt Hanson assembled the unit from the remnants of the 12th Atrean Dragoons and Elements of the 1st Atrean Dragoons, a unit that he lead in unsuccessful rebellion against Janos Marik during the Marik civil war. The RoughRiders prefer close combat, and considering the rather rough-house nature, it is easy to see why, most of the Mech Regiment Companies are composed entirely of heavy Mechs. The unit was also chosen to receive the first new Rommel/Patton tanks, due to the fact that it was the most active and aggressive of all the Tank corps in the Lyran Commonwealth. The RoughRiders are famed for their deep raids, into both Kurita and Marik space and heavy urban combat. The regiment long served House Steiner, but was moved to Davion space (still under contract to the Lyran Commonwealth) once the Davion-Steiner alliance began its reorganize of the military.