First Lieutenant Gary Steger was commissioned as an Infantry Officer upon graduation from Officer Candidate School, 27 March 1967. | His subsequent duty assignments were: Executive Officer, Fort Myers, Virginia; Platoon Leader D Company, 4th Battalion, 12th Infantry, 199th Light Infantry Brigade, Long Binh, South Vietnam; Assistant Brigade Operations Officer, 199th Light Infantry Brigade, South Vietnam; Assistant Chief, Personal Services Division, United States Army Service Center for the Armed Forces, The Pentagon, Washington D.C. | His military education includes: United States Army Intelligence School; AAIC USARSO, Jungle Operations Center.