Life support
TAEGU AIR BASE, South Korea -- Staff Sgt. Christopher Craig cleans an oxygen mask. He is deployed here from the 353rd Special Operations Group life support section at Kadena Air Base, Japan. Life support airmen maintain all life-sustaining gear used by aircrews including chemical and biological protection suits, helmets and night-vision goggles. (U.S. Air Force photo by Master Sgt. Michael Farris)