Marines and sailors with Combat Logistics Battalion

Marines and sailors with Combat Logistics Battalion 15, Combat Logistics Regiment 17, 1st Marine Logistics Group, conduct a battalion hike aboard Camp Pendleton, Calif., Sept. 25, 2013. To physically condition the service members for a combat environment, the battalion hiked more than six miles, carrying a combat load. (U.S. Marine Corps photo by Cpl. Timothy Childers)