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Snapshots of what’s happening in the Defense Department.

U.S. Army Command Sgt. Maj. Charles Isaac and other soldiers air out after exiting the gas chamber on Camp Atterbury, Ind., June 15, 2010. Isaac is assigned to the 81st Troop Command, Indiana Army National Guard.

AIR AWARE

U.S. Army Command Sgt. Maj. Charles Isaac and other soldiers air out after exiting the gas chamber on Camp Atterbury, Ind., June 15, 2010. Isaac is assigned to the 81st Troop Command, Indiana Army National Guard.

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