control – 1. The regulation of forces and warfighting functions to accomplish the mission in accordance with the commander’s intent. (ADP 6-0) 2. A tactical mission task that requires the commander to maintain physical influence over a specified area to prevent its use by an enemy or to create conditions necessary for successful friendly operations. (FM 3-90-1) 3. An action taken to eliminate a hazard or reduce its risk. (ATP 5-19)