Keywords: US Navy 090123-N-3674H-073 Storekeeper 1st Class Richard Bellock, assigned to Naval Mobile Construction Battalion (NMCB) 74, dons a MCU-2P gas mask during a chemical, biological and radiological exercise.jpg en GULFPORT Miss Jan 23 2009 Storekeeper 1st Class Richard Bellock assigned to Naval Mobile Construction Battalion NMCB 74 dons a MCU-2P gas mask during a chemical biological and radiological exercise at Naval Construction Battalion Center Gulfport Miss The exercise helps acclimate Seabees to wearing mission oriented protective posture gear as they prepare for a upcoming field exercise U S Navy photo by Mass Communication Specialist 2nd Class John Hulle/Released 2009-01-23 090123-N-3674H-073 Navy http //www navy mil/view_image asp id 68339 U S Navy photo by Mass Communication Specialist 2nd Class John Hulle PD-USGov-Military-Navy Naval Construction Battalion Center Gulfport Storekeeper Males wearing gas masks M40 Field Protective Mask |