170807-N-PE825-0003 GULFPORT, Miss. (August 7, 2017) A Seabee take notes prior to kicking-off Naval Mobile Construction Battalion Eleven’s third Command Post Exercise (CPX) onboard Naval Construction Battalion Center Gulfport, Miss. The five-day exercise tests NMCB-11’s command and control, communications, and decision making capabilities through real-world combat scenarios and simulated training events. U.S. Navy photo by Mass Communication Specialist 1st Class Collin Turner (Released)