Which sub-category is used to request a change in sheaf?

The request for a change in sheaf falls under the sub-category of distribution. In the context of Call for Fire (CFF), distribution refers specifically to how munitions are spread within a particular area. When an observer requests a change in sheaf, they are essentially asking for an adjustment in the pattern or spread of fire over a target area. This could involve shifting the sheaf to cover a different location or modifying the number of rounds fired to achieve the desired effect on the target.

Understanding the subtleties of distribution is crucial because it directly affects how forces engage enemy targets. A clear grasp of this concept allows troops to effectively coordinate their fire support and ensure that it meets tactical requirements on the battlefield. While the other sub-categories—adjustment, engagement, and cannon fire—focus on different aspects of fire support operations, distribution specifically addresses the configuration and layout of the fire mission's impact area.