U.S. Marines and Sailors with the 13th Marine Expeditionary

U.S. Marines and Sailors with the 13th Marine Expeditionary Unit Command Element (13th MEU CE) conduct M240 and M249 familiarization training during Command Post Exercise 1 (CPX-1) aboard Camp Pendleton, Calif., May 13, 2015. From May 11-14, 13th MEU CE conducted CPX-1 in order to improve unit effectiveness in the areas of command and control, and basic field skills. (U.S. Marine Corps photo by Cpl. David Gonzalez, 13th Marine Expeditionary Combat Camera/ Released)