Keywords: US Navy 090322-N-3674H-048 Seabees assigned to Naval Mobile Construction Battalion (NMCB) 74 don mission oriented protective posture (MOPP) gear in a cloud of CS gas during a field training exercise at Camp Shelby, Miss.jpg en CAMP SHELBY Miss March 16 2009 Seabees assigned to Naval Mobile Construction Battalion NMCB 74 don mission oriented protective posture MOPP gear in a cloud of CS gas during a field training exercise at Camp Shelby Miss NMCB-74 is conducting Operation Winter Talon a field training exercise designed to test the battalions combat and contingency construction capabilities U S Navy photo by Mass Communication Specialist 2nd Class John Hulle/Released 2009-03-16 090322-N-3674H-048 Navy http //www navy mil/view_image asp id 70157 U S Navy photo by Mass Communication Specialist 2nd Class John Hulle PD-USGov-Military-Navy Camp Shelby Mission Oriented Protective Posture People wearing gas masks Naval Mobile Construction Battalion 74 CS gas M40 Field Protective Mask |