assumed the duties of commander, United States Army Training and Doctrine Command, on November 7, 2002.
Prior to assuming his current duties, he served as director, Army Staff, as the deputy chief of staff for programs and as the assistant vice chief of staff. Byrnesí other key assignments included commanding general, 1st Cavalry Division, Fort Hood, TX; director of force programs, Office of the Deputy Chief of Staff for Operations and Plans, Washington, DC; assistant division commander (Maneuver), 1st Cavalry Division; commanding general, Joint Task Force Six, Fort Bliss, TX; commander, 1st Cavalry Division Artillery; chief of staff, 1st Cavalry Division; director of political and economic studies and director of the Strategic Outreach Initiative for the Army War College, Carlisle Barracks, PA; commander, 4th Battalion, 3rd Field Artillery in 2nd Armored Division (Forward), Germany; and commander, Battery C, 1st Battalion, 39th Field Artillery, Fort Bragg, NC. His overseas tours include Vietnam, Germany and Bosnia. Byrnes is a graduate of the Command and Staff College and the Army War College.