Colonel Paul David Viola was commissioned an Infantry Officer upon graduation from Officer Candidate School Class 15-66, 15 October 1966. His first assignment was as an instructor at the United States Army Infantry School, Company Operation Department, Fort Benning, Georgia. | His subsequent duty assignment include: Executive Officer, Company C, Infantry School Battalion, Fort Benning, Georgia; Rifle Platoon Leader, and later Mortar Platoon Leader and Executive Officer, Company C, 4th Battalion, 12th Infantry, 99th Light Infantry Brigade, Vietnam; Company Commander, Company A, 10th Battalion, 2nd Basic Combat Training Brigade, Fort Bragg, North Carolina; Company Commander, Company A, 2nd Battalion 102nd Infantry, 43d Infantry Brigade, 26th Infantry Division, Waterbury, Connecticut; Company Commander, Company B, 1st Battalion 102nd Infantry, 43rd Infantry Brigade, 26th Infantry Division, Meriden, Connecticut; S-3 Air, 1st Battalion 102nd Infantry, 43d Infantry Brigade, 26th Infantry Division, New Haven, Connecticut; Assistant S-3, 118th Medical Battalion, New Haven, Connecticut; Company Commander, 142nd Medical Company (Clearing), New Haven, Connecticut; Executive Officer, 15th Battalion, 102nd Infantry, 43rd Infantry Brigade, 26th Infantry Division, New Haven, Connecticut; Executive Officer, 2nd Battalion, IO2nd Infantry, 43rd Infantry Brigade, 26th Infantry Division, Waterbury, Connecticut; S-3, and later as Executive Officer, 238th Supply and Service Battalion, New Britain, Connecticut; Assistant S¬3, Troop Command, New London, Connecticut; Training Officer, State Headquarters Area Command, Connecticut Army National Guard, Hartford, Connecticut; Plans, Operations and Military Support Officer, and later G-3, and Installation Officer, State Headquarters Area Command, Hartford, Connecticut; Commander, 143rd Area Support Group, Hartford, Connecticut.