In 2001, he assumed the office of Commanding General, United States Army Field Support Command, Rock Island Arsenal, Illinois. In January 2003, in addition to his role as Commanding General of Army Field Support Command, he accepted duty as Commander, Army Materiel Command - Southwest Asia/Deputy C-4, Coalition Forces Land Component Command, Camp Arifjan, Kuwait. During these assignments, he assumed control of all war reserve stocks and equipment, oversight of 52 technical assistance offices, and the Army's Logistics Civilian Augmentation Contracting Program. From 2001 through 2002, Boles supported the invasion of Afghanistan with forward deployed forces and equipment packages, and began the flow of war reserve equipment from around the world to prepare for OPERATION IRAQI FREEDOM.