Which color is designated for editing correspondence by the activity head?

The color designated for editing correspondence by the activity head is red. This choice is typically used to signify that the document is undergoing review or requires modifications. The use of color coding in correspondence processing serves to streamline the workflow and ensure that individuals involved can quickly identify the status of a document or the actions required.

Red is a common choice for highlighting areas needing attention because it stands out clearly against typical text colors, making it easy for the editor or reviewer to locate and address specific sections. This visual cue helps maintain an organized and efficient correspondence process, which is crucial in the Marine Corps to ensure accuracy and clarity in communication.