Army Sgt. Jason Greene practices using ACU pants as a flotation device during annual water survival training at the YMCA in Helena, Mont., March 8, 2008. Greene is from the 190th Chemical Reconnaissance Detachment, Montana Army National Guard. Sgt. Dan Yarnall

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Keywords: 1, 190th, army, chemical, conflict, crd, detachm, fort, harrison, military, montana, nxj, reconnaissance, soldier, soldiers, states, survival, training, unclassified, united, war, water, , ymca