9-56. As more information becomes available, the commander and staff refine their initial plan for the use of available time. They compare the time needed to accomplish tasks to the higher headquarters’ timeline to ensure mission accomplishment is possible in the allotted time. They compare the timeline to the assumed enemy timeline with how they anticipate conditions will unfold. From this, they determine windows of opportunity for exploitation, times when the unit will be at risk for enemy activity, or when action to arrest deterioration in the local civilian population may be required.