D. or doctoral degree, or 3 full years of progressively higher level graduate education leading to such a degree, or LL.M., if related, with major study in or related fields such as accounting, business administration, business or commercial law, commerce, economics, engineering, finance, industrial management, statistics, traffic management, transportation, motor mechanics, or other fields related to the position. It must be signed by, or by direction of, the adjutant, personnel officer, or commander of your unit or higher headquarters and must indicate when your terminal leave will begin, your rank, dates of active duty service, the type of discharge and character of service (i.e. honorable).