1-61. Operational initiative is the setting of tempo and terms of action throughout an operation (ADP 3-0). Under mission command, subordinates are required, not just permitted, to exercise disciplined initiative in the absence of orders, when current orders no longer apply, or when an opportunity or threat presents itself. The collective effect of multiple subordinates exercising disciplined initiative over time sets the conditions for friendly forces to seize the operational initiative in chaotic and ambiguous situations.