Images: The Air Up There [Image 5 of 6]
Staff Sgt. Gregory Norris, 332nd Expeditionary Civil Engineer Squadron heating, ventilation and air conditioning maintainer, attaches a hose to a water pipe while troubleshooting a malfunctioning air conditioning unit, June 11. Maintaining cool temperatures in base facilities helps keep high-tech electrical equipment found in those buildings operating efficiently. Sgt. Norris is deployed from Luke Air Force Base, Ariz.