U.S. Marines with Kilo Company, Battalion Landing Team 3rd Battalion, 1st Marine Regiment, 15th Marine Expeditionary Unit secure an objective during a mechanized raid aboard Camp Pendleton, Calif., Oct. 21, 2014. BLT 3/1 is the 15th MEU’s ground combat element. (U.S. Marine Corps photo by Cpl. Steve H. Lopez/Released)