U.S. Air Force Staff Sgt. Maranda Oliver, 633rd Medical Operations Squadron Pulmonary Clinic NCO in charge, checks Nyemia Heyward’s lungs in a body plethysmography box at Langley Air Force Base, Va., March 6, 2012. The new pulmonology clinic at USAF Hospital Langley allows healthcare professionals to treat more patients locally, instead of referring them to clinics off base. (U.S. Air Force photo by Airman 1st Class Teresa Cleveland/Released)