U.S. Army Lt. Gen. Patricia D. Horoho, Army Surgeon General and Medical Command commander, passes the Europe Regional Medical Command (ERMC) guidon to Col. John P. Collins, interim ERMC commander, during a relinquishment of command and assumption of responsibility ceremony July 30, 2013, at Sembach Kaserne in Rhineland-Palatinate, Germany. (U.S. Army photo by Elisabeth Paque/Released)