Colonel Thomas M. Finnegan was commissioned an Infantry Officer upon graduation from Officer Candidate School on 19 October 1966. His first duty assignment was as Training Officer, 1st Training Brigade, USATC, Infantry, Fort Benning, Georgia. | His subsequent duty assignments include:  Platoon Leader, 3-21 Infantry, 196th Infantry Bde, Vietnam; Adjutant, 5-31 Infantry, 187th Infantry Bde, Fort Benning, Georgia; Personnel Officer, U.S. Army Electronics Command, Fort Monmouth, New Jersey; Adjutant, 12th Combat Aviation Group, Vietnam; USAR Advisor, USA Readiness Group, Fort Dix, New Jersey; Adjutant General, 21st Support Command, Kaiserslautern, Germany; XO, 90th Personnel & Admin Bn, Kaiserslautern, Germany; Plans Officer, Office of the Adjutant General, Washington, D.C.; Asst XO, Office of the Adjutant General, Washington, D.C.; Assistant Chief, General Officer Mgt Office, Washington, D.C.: G1/AG, 25th Infantry Division, Schofield Bks, Hawaii; Commander, U.S. Army Publications Dist Ctr, St Louis, Missouri; Deputy Chief of Staff for Personnel, U.S. Army Information Systems Command, Fort Huachuca, Arizona. | Military schools attended include: Adjutant General Officer Advanced Course, U.S. Army Command General Staff College, U.S. Army Logistics Management College Depot Management Course, U.S. Army War College Defense Strategy Course. | His awards and decorations include: Bronze Star w/ V and 1 Oak Leaf Cluster,  MM w/4 Oak Leaf Cluster, Air Medal, ARCOM w/3 Oak Leaf Cluster, Army Good Conduct Medal, National Defense Service Medal, Vietnam Service Medal, Armed Forces Reserve Medal, Army Service Ribbon, Overseas Service Ribbon, Combat Infantryman Badge, Army Staff Identification Badge, Order of Horatio gates Bronze Medal (AG Regimental Award).