U.S. Army Training Support Center members salute the colors during the ATSC change of command ceremony at Fort Eustis, Va., Aug. 17, 2015. The ATSC commander oversees ATSC’s missions to plan, integrate, implement, and sustain training support functions across the Army. (U.S. Army photo by Rodney E. Speed/Released)

U.S. Army Brig. Gen. Mark J. O’Neil, Combined Arms Center-Training deputy commander, right, passes the colors to Col. John R. Allen, U.S. Army Training Support Center commander, during the ATSC change of command ceremony at Fort Eustis, Va., Aug. 17, 2015. Allen formerly served as a U.S. Marine enlisted infantryman and also served as the deputy commander of the 4th Brigade Combat Team, 3rd Infantry Division (Heavy) during his previous assignment. (U.S. Army photo by Rodney E. Speed/Released)