U.S. Marines Sgt. Nicholas Lanier, left, platoon sergeant is directed by Sgt. Chad Skaggs, a squad leader with Kilo Company, Battalion Landing Team 3rd Battalion, 1st Marine Regiment, 15th Marine Expeditionary Unit which direction his squad taken a simulated casualty during a mechanized raid aboard Camp Pendleton, Calif., Oct. 22, 2014. BLT 3/1 is the 15th MEU’s ground combat element. (U.S. Marine Corps photo by Cpl. Steve H. Lopez/Released)