Staff Sgt. Gregory Norris, 332nd Expeditionary Civil Engineer Squadron heating, ventilation and air conditioning maintainer, removes ceiling tiles to gain access to ducts in a base facility with restricted air flow problems, June 11. Physically checking all the ducts to see where a damper restriction may be is the first course of action when trouble shooting air flow problems. Sgt. Norris is deployed from Luke Air Force Base, Ariz.
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This work, The Air Up There [Image 1 of 6], by SSgt Julianne Showalter, identified by DVIDS, is free of known copyright restrictions under U.S. copyright law.