Colonel Charles T. Hamner was commissioned an Infantry Officer upon graduation from Officer Candidate School 14 April 1952, Class 11. His first duty assignment was as Tactical Officer, Company A, 2d Infantry Regiment, Pennsylvania. | His subsequent duty assignment include: Platoon Leader/Executive Officer/Company Commander, Company C and Company A, 279th Infantry, 45th Division and Company A, 15th Infantry Regiment, 3d Division; Platoon Leader, Company A, 13th Armored Infantry Battalion, 3d Armored Division, Fort Knox, Kentucky; Company Commander, Company B, 13th Armored Infantry Battalion, 3d Armored Division, Germany; Adjutant, Headquarters Combat Command A, 3d Armored Division, Germany; Professor Military Science - High School, 5th USA Instructor Group (ROTC), Leavenworth, Kansas; Operations Staff Officer, J-3 MACV, United States Military  Assistance Command, Vietnam; Action Officer, Office Assistant Chief of Staff, Intelligence, Headquarters Department of the Army, Washington, D.C.; Battalion Commander, 2d Battalion, 1st Brigade, USATC, Fort Bragg, North Carolina; Chief, Operations Plans and Readiness, G-1, Abn Corps, Headquarters XVIII Airborne Corps, Fort Bragg, North Carolina; Deputy Chief of Staff and Action Chief of Staff, Vietnam. | His Awards and decoration include:  Bronze Star (V and 2 Oak Leaf Clusters), Meritorious Service Medal (1 Oak Leaf Cluster), Joint Service Commendation Medal, Army Commendation Medal (1 Oak Leaf Cluster), Republic of Vietnam Staff Medal, Republic of Vietnam Honor Medal (1st Class).