U.S. Army Sgt. Maj. Mathew Calhoun, 11th Transportation Battalion, 7th Transportation Brigade (Expeditionary) command sergeant major, receives the noncommissioned officers’ sword from Lt. Col. Karl Linderman, 11th Transportation Battalion, 7th Trans. Bde. (Ex.), during a change of responsibility ceremony held at Fort Story, Va., June 20, 2014. The passing of the noncommissioned officers’ sword represents a symbol of position and responsibility over an entire unit. (U.S. Army photo by Sgt. Stefanie Warner/Released)

U.S. Army Sgt. Maj. Zacarias Rivera, 11th Transportation Battalion, 7th Transportation Brigade (Expeditionary) outgoing command sergeant major, speaks at the change of responsibility ceremony held at Fort Story, Va., June 20, 2014. Rivera is retiring after 31 years of military service. (U.S. Army photo by Sgt. Stefanie Warner/Released)