Main effort

In maneuver warfare doctrine, the main effort is the unit assigned responsibility for accomplishing the action most critical to the overall success of a command's mission. It serves as the focal point upon which converges the combat power of the force, and receives priority support of any kind when requested. While a commander always designates a main effort, it may shift during the course of an operation as events unfold.

References

 This article incorporates public domain material from websites or documents of the United States Marine Corps.