U.S. Marine Corps photo by Lance Cpl. Demetrius Morgan/Released 121019-M-ET630-033.JPG
Oct 19, 2012
Marines and sailors with the 11th MEU’s command element receive a class on the proper wear of the gas mask by Sgt. David Hernandez, 11th MEU CBRN NCOIC during gas chamber training here Oct 18. The gas chamber is an annual training requirement of all Marines.
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