NASA kicks off air quality study at Osan
James Crawford, NASA lead U.S. scientist for Korea United States-Air Quality (KORUS-AQ) Experiment, gives an overview of the aircraft that will be participating in the KORUS-AQ to Marc Knapper, U.S. Embassy Seoul deputy chief of mission, and 51st Fighter Wing Commander, Col. Andrew Hansen, at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ is a joint field study by NASA and the National Institute of Environmental Research that will advance the ability to monitor air pollution more accurately from space. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released