Marines from Battalion Landing Team, 1st Battalion, 4th Marine Regiment, pay their respects to fallen comrades Feb. 1, in the mountains of Camp Horno at Camp Pendleton. The Marines made the four-mile, two-hour trek up rugged terrain carrying white and earth colored stones to place at the memorial. According to the Marines they perform the ritual to represent the carrying of the burdens of the fallen Marines who paid the ultimate sacrifice. www.usmc.mil