Keywords: US Navy 060207-N-0553R-003 Members of Naval Mobile Construction Battalion One's (NMCB-1) Survey Team follow step by step instructions while using a M-256 Chemical Detector Kit.jpg en Gulfport Miss Feb 7 2006 - Members of Naval Mobile Construction Battalion One's NMCB-1 Survey Team follow step by step instructions while using a M-256 Chemical Detector Kit to determine what agent the surrounding area was infected with during a simulated CBR chemical biological radiological exercise in Gulfport NMCB-1 Seabees are preparing for their upcoming field exercise Operation Steel Shanks which will sharpen the battalion's combat and contingency construction capabilities U S Navy photo by Photographer's Mate 3rd Class Ja'lon A Rhinehart RELEASED 2006-02-07 060207-N-0553R-003 Navy http //www navy mil/view_image asp id 32556 U S Navy photo by Photographer's Mate 3rd Class Ja'lon A Rhinehart PD-USGov-Military-Navy Images from US Navy location Gulfport Miss M256 Chemical Agent Detector Kit People wearing gas masks M40 Field Protective Mask |