What is the tool used by unit commanders to adjust manpower reflected in the UMD?

The correct answer is the Manpower Change Request, which is specifically designed for unit commanders to initiate adjustments to their manpower levels as reflected in the Unit Manpower Document (UMD). This tool allows commanders to formally request changes in their assigned personnel based on needs such as mission requirements, shifts in operational priorities, or changes in unit structure. The use of the Manpower Change Request ensures that any adjustments to manpower are documented, tracked, and managed in accordance with established processes and regulations.

This ensures that the unit remains appropriately staffed and can fulfill its mission requirements effectively. It plays a crucial role in maintaining the alignment of available manpower with the operational needs of the unit, making it an indispensable tool for unit commanders.

The other choices do not serve this specific purpose. The Personnel Evaluation Form is used for assessing individual performance, the Unit Assignment Report focuses on assignment status rather than adjustments, and the Training Assessment Tool is related to evaluating training needs rather than managing manpower levels.