2nd CES Airmen make HVAC repairs Published Aug. 29, 2016 2nd Bomb Wing Public Affairs BARKSDALE AIR FORCE BASE, La. -- Senior Airman Brittany Parks, 2nd Civil Engineer Squadron heating ventilation and air condition technician, monitors a pressure valve connected to an HVAC unit at Barksdale Air Force Base, La., Aug 23, 2016. HVAC Airmen also maintain units which cool servers running Barksdale’s communications. (U.S. Air Force photo/Senior Airman Luke Hill)