Colonel Christian Dubia was commissioned an Infantry Officer upon graduation from Officer Candidate School 31 October 1944, class number 352. His first duty assignment was as Platoon Leader, Company A, 110th Infantry, 28th Infantry Division. | His subsequent duty assignment include:  Company XO and Company Commander, Company a, 110th Infantry, 28th Infantry Division; Instructor, Infantry School, Fort Benning, Georgia; Company Commander and Battalion S-3, Company G, 19th Infantry, 24th Infantry Division; Company Commander, Company A, 7th Cav, 1st Cav Division, Japan;  Battalion S-3, HHC, 2d Battalion, 7th Cav, 1st Cav Division; Assistant G-3, HHC, 9th Inf Division, Company Commander, Company C, 47th Infantry, 9th Infantry Division; Company Commander, Company A, Special troops, Europe; Company Commander, Company A, 2d BG, 6th Infantry, Berlin; Assistant G-3, Headquarters, Fort Sam Houston, Texas; Assistant PMS, ROTC Murray State; Deputy Brigade Commander, HHC, 1st Brigade, 1st Cav Division; Battalion Commander, HHC, 1st Battalion, 8th Cav; Chief, Doctrine Branch, D & O Division, Combat Developments Command, Infantry Agency. | His awards and decorations include: Purple Heart (1 Oak Leaf Cluster), Army Commendation Medal, Air Medal (10 Oak Leaf Cluster and 1 V Device), Legion of Merit (1 Oak Leaf Cluster), Silver Star.