After his OCS graduation, Healey was commissioned as a
second lieutenant of
Infantry and assigned as a platoon leader with Company B, 71st Infantry. In December 1952, he was assigned as leader of the intelligence and reconnaissance platoon of the 71st Infantry's Headquarters and Headquarters Company, and he was subsequently assigned as the company executive officer. He received promotion to
first lieutenant in June 1954, and in February 1955 he was assigned as commander of the 71st Infantry's Service Company. Healey was promoted to
captain in March 1956. In March 1963, he was appointed as assistant chief of staff for the
42nd Infantry Division, and he was promoted to
major in April 1963.
Military education Military education Healey completed during his career in uniform included: •
Infantry Officer Basic Course (1951) • Infantry Officer Associate Course (1952) • Infantry Officer Advanced Course (1968) •
United States Army Command and General Staff College (1972) • Combat Division Refresher (1973) •
Military Police Senior Officers Civil Disturbance Orientation Course (1973) • Infantry Senior Commander Orientation (1973) •
Armor Senior Officer Preventive Maintenance Course (1974) • Infantry Command and Staff Officers Course (1975) •
United States Army War College Senior Reserve Components Officer Course (1976) •
Senior Field Artillery Officer Course (1976) Healey also supplemented his military education with studies in national security at the
Brookings Institution in 1964 and management at
Harvard Business School in 1969. ==Continued career==