Keywords: US Navy 031205-N-1573O-048 Contractors check the fit on a MCU-2P gas mask worn by a Sailor using a TDA 99M respirator functional testing system aboard USS John C. Stennis (CVN 74).jpg en Pacific Ocean Dec 5 2003 -- Mr James Keck a contracted civilian technician with Naval Sea Systems Command assesses the fit on a MCU-2P gas mask worn by a Sailor using a TDA 99M respirator functional testing system The assessment conducted aboard USS John C Stennis CVN 74 is a joint service project to ensure that all military personnel are properly fitted with nuclear biological chemical defense The San Diego-based aircraft carrier is at sea conducting training exercises in the Southern California operating area U S Navy photo by Photographer's Mate 3rd Class Tyler Orsburn RELEASED 2003-12-05 031205-N-1573O-048 Navy http //www navy mil/view_image asp id 10914 U S Navy photo by Photographer's Mate 3rd Class Tyler Orsburn PD-USGov-Military-Navy Aboard USS John C Stennis CVN-74 MCU-2/P Protective Mask |