I must not fear. Fear is the mind-killer. Fear is the little-death that brings total obliteration. I will face my fear… And when it is gone past I will turn the inner eye to see its path. Where the fear is gone there will be nothing. Only I will remain. – Frank Herbert
Understanding what this means our Soldiers also know it to be true for the enemy. Intimidation seems to be is the purpose of the above Soldiers garb. If the enemy is afraid–of anything, even a little–an advantage has been gained.