Traditionally, the Rangers have used a standard camouflage scheme, which they retain no matter what their terrain of operations.
Per FM: Merc (revised), page 107.
Berserker, FM: Mercenaries (plate 12)
Awesome, CM: Mercenaries (p 111)
The force insignia is the planetary shield of Vega, the emblem first used by the Vega Rangers. The insignia is displayed on a â€˜Mechâ€™s torso or the sides of Ranger vehicles and fighters. Beta and Gamma regiments also display a regimental insignia on the upper left leg. Beta regimentâ€™s insignia is a BattleMechâ€™s fist on a red and yellow field. The insignia of Gamma Regiment is a Victor BattleMech caught up in a tornado, set on a green field. Per FM:Mercenaries Revised, pages 107-110.