Pfc. Jonathan Linares, a gunner with Battery F, 2nd Battalion, 11th Marine Regiment, 1st Marine Division, I Marine Expeditionary Force, stands ready for the next fire mission of his team’s M777 howitzer aboard Marine Corps Base Camp Pendleton, Calif., Sept. 23, 2015. Processing fire missions is one of the most important forms of training for an artillery team. (U.S. Marine photo by Pvt. Robert Bliss/Released) - Pfc. Jonathan Linares, a gunner with Battery F, 2nd Battalion, 11th Marine Regiment, 1st Marine Division, I Marine Expeditionary Force, stands ready for the next fire mission of his team’s M777 howitzer aboard Marine Corps Base Camp Pendleton, Calif., Sept. 23, 2015. Processing fire missions is one of the most important forms of training for an artillery team. (U.S. Marine photo by Pvt. Robert Bliss/Released)