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11th Marine Expeditionary Unit
I Marine Expeditionary Force

Oct 19, 2012

Marines from the 11th MEU’s command element execute side-straddle hops in the gas chamber during annual gas chamber confidence training here Oct 18. In the chamber, Marines and sailors conducted several exercises including side-straddle hops and head movements to prove that the seal between the gas and the Marine’s faces was working properly.

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