Col. Scott Dingle, outgoing commander, passes the colors to his senior commander, Maj. Gen. John R. O’Connor, 21st Theater Sustainment Command Commanding General, for the last time, thereby relinquishing his responsibilities and authority during the 30th Medical Brigade’s change of command and responsibility ceremony on May 18, 2015, at Sembach Parade Field, Germany. (U.S.Army photo by Visual Information Specialist Elisabeth Paque/Released)