Keywords: U.S. Navy Equipment Operator 2nd Class Sam Sutheimer, a Sailor with Naval Mobile Construction Battalion 5, activates CS gas during a gas mask training exercise in the confidence chamber at the Naval Construction 110224-N-SI773-328.jpg en U S Navy Equipment Operator 2nd Class Sam Sutheimer a Sailor with Naval Mobile Construction Battalion 5 activates CS gas during a gas mask training exercise in the confidence chamber at the Naval Construction Training Center at Port Hueneme Calif Feb 24 2011 2011-02-24 MC2 Ace Rheaume http //www defenseimagery mil/imageRetrieve action guid 9a52da3bd3fee303840b45bfd44ed46ecd724c24 t 2 Public domain photograph from defenseimagery mil http //www defenseimagery mil/imagery html guid 9a52da3bd3fee303840b45bfd44ed46ecd724c24 110224-N-SI773-328 2011-02-28 Port Hueneme PD-USGov-Military-Navy M40 Field Protective Mask Images from DoD uploaded by Fæ Naval Mobile Construction Battalion 5 Naval Base Ventura County Port Hueneme |