Cavalry Division Artillery, and later Chief of Staff, 1st Cavalry Division; Director of Political and Economic Studies and Director of the Strategic Outreach Initiative for the United States Army War College, Carlisle Barracks, Pennsylvania; Commander, 4th Battalion, 3rd Field Artillery Regiment in 2nd Armored Division (Forward) in Germany; and Commander, Battery C, 1st Battalion, 39th Field Artillery, Fort Bragg, North Carolina. His overseas tours include Vietnam, Germany and Bosnia. Byrnes was relieved of command in August 2005 following revelations that he had engaged in an extramarital relationship with a married female civilian. An investigation into the alleged misconduct by the Department of Defense Inspector General had concluded that Byrnes, who was separated from his wife, had conducted an adulterous affair with a married women for approximately a year and a half; continued the affair after being ordered by Army Chief of Staff, Peter Shoomaker, to cease contact with the woman; had repeatedly used government funded hotel rooms for adulterous trysts; and had violated U.S. Army financial management regulations by using his personal credit card rather than a government travel card to pay for expenses arising from official government travel. Personal life After retiring from the Army Byrnes joined Raytheon as an executive in Huntsville, Alabama. He and his wife, Paula Payton, have a daughter, Grace. He also has a daughter and two sons from a previous marriage: Patrick, an architect and Joseph, an Army officer. His daughter Elizabeth died in 2014. References 1950 births Living people United States Army generals United States Army personnel of the Vietnam War Military personnel from New York City Webster University alumni Park University alumni