sentences:  In 1980, he was promoted to Lieutenant Junior Grade and in 1983 to Lieutenant.DeLoach, who received a spot promotion to Lieutenant Commander in 1984, was the Sonar Transducer Branch Chief at Naval Sea Systems Command from 1987 to 1989.During this period of time DeLoach earned a Masters of Arts in Management & Supervision degree from Central Michigan University in 1987 and in 1988 was permanently promoted to Lieutenant Commander.