Colonel Deryl A. Sisson was commissioned and Infantry Officer upon graduation from Officer Candidate School 10 November 1953, class number 75. His first duty assignment was as Shop Officer, 363d Ord Company, Fort Hood, Texas. | His subsequent duty assignments include: Commanding Officer, 71st Ordnance Detachment, Fort Hayes, Ohio; Commanding Officer, 24th Ordnance Detachment, Korea; Chief Technical Ammunition Branch, USA Ordnance C&S, APG, Maryland; Commanding Officer, 144th Ordnance Company, Friedberg, Germany; Chief, Special Ammunition Branch, CONARC, Fort Monroe, Virginia; Commanding Officer, 62d Maintenance Battalion, Pleiku, Vietnam; Commanding Officer, Volunteer Army Ammunition Plant, Chattanooga, Tennessee; DA Staff EOD Officer, HeadquartersDA, Washington, D.C.; EOD Staff Officer and Chief, Special Weapons Branch, Headquarters FORSCOM, Fort McPherson, Georgia. | Colonel Sisson's awards and decorations include: Army Commendation Medal, Meritorious Service Medal, Bronze Star Medal.