Marines with Battery C, 1st Battalion, 11th Marine Regiment and Battery I, 3rd Battalion, 12th Marine Regiment watch direct fire support training at the Combat Center's Rainbow Canyon Training Area April 23, 2013. (Official USMC photo by Cpl. Ali Azimi/Released) - Marines with Battery C, 1st Battalion, 11th Marine Regiment and Battery I, 3rd Battalion, 12th Marine Regiment watch direct fire support training at the Combat Center's Rainbow Canyon Training Area April 23, 2013. (Official USMC photo by Cpl. Ali Azimi/Released)