Photos

Lieutenant Col. Christian D. Richardson, center, outgoing commanding officer, 1st Maintenance Battalion, Combat Logistics Regiment 15, 1st Marine Logistics Group, passes on his battalion’s battle colors to the oncoming commanding officer, Lt. Col. Mark T. Donar,. left, during a change of command ceremony aboard Camp Pendleton, Calif., June 27, 2013. Richardson has served as the commanding officer since June 17, 2011.