First Lieutenant Michael Nicholas Mantegna was commissioned an Infantry Officer upon graduation from Officer Candidate School Class 5-65, 13 May 1965. His first duty assignment was as a Rifle Platoon Leader, Company A, 2nd Battalion, 2nd Infantry Division, Fort Benning, Georgia. | His subsequent duty assignments include: Rifle Platoon Leader, 2nd Battalion, 7th Cavalry, 1st Cavalry Division, Camp Radcliff, Vietnam; Liaison Officer, 173rd Airborne Brigade, Bien Hoa, South Vietnam; Senior Tactical Officer, 7th Student Battalion, The Student Brigade Officer Candidate School, Fort Benning, Georgia; Executive Officer, Headquarters and Headquarters Company, 1st Brigade, 46th Infantry Division, Michigan Army National Guard, Detroit, Michigan. | At the time of his induction, First Lieutenant Mantegna was an Attorney and Counselor at Law in private practice in Georgia.