From left, U.S. Army Lt. Col. Richard Alexander, 1st Battalion, 210th Aviation Regiment commander, Sgt. Maj. Christopher Coolbaugh, incoming 1-210th Avn. Rgt. sergeant major, and Sgt. Maj. William L. Platt, outgoing 1-210th Avn. Rgt. sergeant major, wait for the passing of the colors during the 1-210th Avn. Rgt. change of responsibility ceremony at Fort Eustis, Va., Nov. 15, 2013. Coolbaugh most recently served as the strategic enlisted training developer for the 128th Avn. Brigade. (U.S. Air Force photo by Staff Sgt. Ciara Wymbs/Released)