U.S. Army Col. Julius A. Rigole, 128th Aviation Brigade commander, passes the guidon of the1st Battalion, 222nd Aviation Regiment to Lt. Col. Michael A. Sines, 1st Bn., 222nd Avn. Reg. commander, at Ft. Eustis, Va., June 7, 2016. The outgoing commander, Lt. Col. Christopher Stallings, is slated to serve on the Joint Staff at the Pentagon. (U.S. Army photo by Rodney E. Speed)