Mission Command is a style of military command, derived from the Prussian-pioneered mission-type tactics doctrine, promoting relatively decentralised subsidiarity of command, freedom and speed of action, and initiative, within certain constraints. Subordinates, understanding the commander's intentions, their own missions and the context of those missions, are told what effect they are to achieve and the reason why it needs to be achieved. They then decide within their delegated freedom of action how best to achieve their missions. Orders provide only enough detail to establish intent and objectives, allowing freedom of action. Mission Command is closely related to civilian management concept of workplace empowerment. It is advocated, but not always used, by the Chain of command in the Unit