The Military Secretary to the Commandant of the Marine Corps is the senior advisor and task manager for the Commandant of the Marine Corps. Personally selected by the Commandant, the Military Secretary is an active duty colonel who reports directly to the Commandant. The exact duties of the Military Secretary have varied based on the needs and preferences of each Commandant. There are no existing manuals or orders that dictate the exact role of the Military Secretary. He (or she) runs the day-to-day operations of the Office of the Commandant, supervises the schedule of the Commandant, and performs other duties as the Commandant may direct. In order to perform the multi-faceted duties of the Military Secretary, the Marine must be well versed in all aspects of the United States Marine Corps,