Colonel O. G. Garrett was commissioned an Infantry Officer upon graduation from Officer Candidate School on 24 December 1942, class number 134. His first duty assignment was as Platoon Leader, 358th Infantry, 90th Mtr Division, Camp Barkley, Texas. | His subsequent duty assignments include: Platoon Leader, 517th Prcht Inf Combat Team, Belgium, Germany, France, Fort Bragg, North Carolina; Platoon Leader, Company Executive Officer, Company Commander, Battalion S-3, Regimental S-3, 82d Airborne Division, Fort Bragg, North Carolina; Post S-2/S-3, Sou Area Comd, Kyoto, Japan; Battalion & CT S-3, 187th ARCT, Korea, Japan Koje Do Island; Assistant G-3, Headquarters, 11th Abn Div, Fort Campbell, Kentucky; Battalion Executive Officer, Battalion S-3, 11th Abn Div, fort Campbell, Kentucky; Regimental S-3, 503d Abn Inf, Munich, Germany; Battalion Executive Officer, Battalion S-3, Regimental S-3, 11th Abn Div, 503d Abn Inf, Fort Campbell, Kentucky and Munich Germany; G-1 Section, Headquarters, 3d U.S. Army, Fort McPherson, Georgia; Chief Controller Caribou, AFSC Abn Dept, USAIS, Fort Benning, Georgia; Troop Test, Chmn, Basic Abn Tng Com, Abn Dept, USAIS, Fort Benning, Georgia. | Colonel Garrett's awards and decorations include: Combat Infantryman’s Badge w/Star (World War II and Korea), Commendation Ribbon w/2 Oak Leaf Cluster, Purple Heart w/Cluster and Bronze Star Medal.