Smith was born April 30, 1945, in Beaufort, North Carolina. He graduated from Beaufort High School in 1963, and went on to receive a Bachelor of Science degree in Naval Science from the United States Naval Academy in 1967. He subsequently attended the U.S. Naval Postgraduate School at Monterey, California, from which he graduated with a Master of Science degree in Aeronautical Engineering in 1968. He completed naval aviation jet training at Naval Air Station Kingsville, Texas, receiving his aviator wings in May 1969. He was then assigned to the Advanced Jet Training Command (VT-21) where he served as an instructor from May 1969 to March 1971. During the 2-year period that followed, he flew A-6 Intruders and completed a tour during the Vietnam War while assigned to Attack Squadron 52 (VA-52) aboard the aircraft carrier USS Kitty Hawk.
In 1974, he graduated from U.S. Naval Test Pilot School and was assigned to the Strike Aircraft Test Directorate at NAS Patuxent River, Maryland, to work on the A-6E TRAM and Cruise missile guidance systems. He returned to the U.S. Naval Test Pilot School in 1976 and completed an 18-month tour as an instructor. From Patuxent River, he was assigned to Attack Squadron 75 (VA-75), where he served as maintenance and operations officer while completing two Mediterranean deployments aboard the carrier USS Saratoga.
He flew 28 different types of civilian and military aircraft, logging 4,867 hours of flying time. He was promoted posthumously by Congress to the rank of Captain, and has had a Chair named in his honor at the U.S. Naval Postgraduate School.
https://en.wikipedia.org/wiki/Michael_J._Smith_(astronaut)