These stern warriors were deployed throughout Mankind's armed forces and were one of the few examples of outside Imperial officials that operated within the Imperialis Militia. The task of the Discipline Master was primarily to ensure that the principles of the Imperial Truth and the manifest destiny of Humanity to rule the stars were upheld. Chosen from war veterans from the regular Imperialis Auxilia regiments drawn from the more civilised and technologically advanced worlds of the Segmentum Solar in the main, their job was to enforce order on the battlefield according to the writ of law, inspire courage and impose the Imperial Truth on often backward and insular native soldiers to whom the Imperium was often a relatively new master. They embodied the rule of distant Terra and so far as