NASA kicks off air quality study at Osan

James Crawford, NASA lead U.S. scientist for Korea United States-Air Quality (KORUS-AQ) Experiment, points out the NASA DC-8 jet that will be participating on the Korea United States-Air Quality (KORUS-AQ) Experiment at Osan Air Base, Republic of Korea, April 29, 2016.  KORUS-AQ will collect air quality data over the Republic of Korea using aircraft, ground sites and ships from May 2 until June 12. The U.S. and South Korean aircraft will conduct coordinated flights from Osan Air Base. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

James Crawford, NASA lead U.S. scientist for Korea United States-Air Quality (KORUS-AQ) Experiment, points out the NASA DC-8 jet that will be participating on the Korea United States-Air Quality (KORUS-AQ) Experiment at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ will collect air quality data over the Republic of Korea using aircraft, ground sites and ships from May 2 until June 12. The U.S. and South Korean aircraft will conduct coordinated flights from Osan Air Base. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

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

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

James Crawford, NASA lead U.S. scientist for Korea United States-Air Quality (KORUS-AQ) Experiment, explains goals for the KORUS-AQ experiment at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ will deepen our understanding of the processes controlling air quality, improve knowledge of the challenges facing satellite observations of air quality and improve the ability of models to forecast and assess air quality conditions.(U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

James Crawford, NASA lead U.S. scientist for Korea United States-Air Quality (KORUS-AQ) Experiment, explains goals for the KORUS-AQ experiment at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ will deepen our understanding of the processes controlling air quality, improve knowledge of the challenges facing satellite observations of air quality and improve the ability of models to forecast and assess air quality conditions.(U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

Marc Knapper, U.S. Embassy Seoul deputy chief of mission, and Col. Andrew Hansen, 51st Fighter Wing commander, pose for a group photo with the Korea United States-Air Quality (KORUS-AQ) Experiment team and distinguished visitors at the media day on Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ will collect air quality data over the Republic of Korea using aircraft, ground sites and ships from May 2 until June 12. The U.S. and South Korean aircraft will conduct coordinated flights from Osan Air Base. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

Marc Knapper, U.S. Embassy Seoul deputy chief of mission, and Col. Andrew Hansen, 51st Fighter Wing commander, pose for a group photo with the Korea United States-Air Quality (KORUS-AQ) Experiment team and distinguished visitors at the media day on Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ will collect air quality data over the Republic of Korea using aircraft, ground sites and ships from May 2 until June 12. The U.S. and South Korean aircraft will conduct coordinated flights from Osan Air Base. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

You-Deog Hong, Air Quality Research Division director, Climates and Air Quality Research Department, gives an overview of Korea United States-Air Quality (KORUS-AQ) Experiment during a media day at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ is a step toward an international effort to develop a global air quality observation system that will include satellites from both countries and a network of surface monitoring sites, models, and airborne sampling. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

You-Deog Hong, Air Quality Research Division director, Climates and Air Quality Research Department, gives an overview of Korea United States-Air Quality (KORUS-AQ) Experiment during a media day at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ is a step toward an international effort to develop a global air quality observation system that will include satellites from both countries and a network of surface monitoring sites, models, and airborne sampling. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

Col. Andrew Hansen, 51st Fighter Wing commander, gives opening remarks to the media during the Korea United States-Air Quality (KORUS-AQ) Experiment media day at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ will collect air quality data over the Republic of Korea using aircraft, ground sites and ships from May 2 until June 12. The U.S. and South Korean aircraft will conduct coordinated flights from Osan Air Base. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

Col. Andrew Hansen, 51st Fighter Wing commander, gives opening remarks to the media during the Korea United States-Air Quality (KORUS-AQ) Experiment media day at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ will collect air quality data over the Republic of Korea using aircraft, ground sites and ships from May 2 until June 12. The U.S. and South Korean aircraft will conduct coordinated flights from Osan Air Base. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

Barry Lefer, Korea United States-Air Quality (KORUS-AQ) program scientist, gives opening remarks for the KORUS-AQ experiment media day 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)

Barry Lefer, Korea United States-Air Quality (KORUS-AQ) program scientist, gives opening remarks for the KORUS-AQ experiment media day 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)

Marc Knapper, U.S. Embassy Seoul deputy chief of mission, receives a tour on board the NASA DC-8 that is part of the Korea United States-Air Quality (KORUS-AQ) Experiment at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ will deepen the understanding of the processes controlling air quality, improve knowledge of the challenges facing satellite observations of air quality and improve the ability of models to forecast and assess air quality conditions. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

Marc Knapper, U.S. Embassy Seoul deputy chief of mission, receives a tour on board the NASA DC-8 that is part of the Korea United States-Air Quality (KORUS-AQ) Experiment at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ will deepen the understanding of the processes controlling air quality, improve knowledge of the challenges facing satellite observations of air quality and improve the ability of models to forecast and assess air quality conditions. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

Col. Andrew Hansen, 51st Fighter Wing commander, walks off the NASA DC-8 that is part of the Korea United States-Air Quality (KORUS-AQ) Experiment at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ will collect air quality data over the Republic of Korea using aircraft, ground sites, and ships from May 2 until June 12. The U.S. and South Korean aircraft will conduct coordinated flights from Osan Air Base. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

Col. Andrew Hansen, 51st Fighter Wing commander, walks off the NASA DC-8 that is part of the Korea United States-Air Quality (KORUS-AQ) Experiment at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ will collect air quality data over the Republic of Korea using aircraft, ground sites, and ships from May 2 until June 12. The U.S. and South Korean aircraft will conduct coordinated flights from Osan Air Base. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

Col. Andrew Hansen, 51st Fighter Wing commander, receives an overview of the NASA DC-8 that is part of the Korea United States-Air Quality (KORUS-AQ) Experiment 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 (NIER) that will advance the ability to monitor air pollution more accurately from space. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)
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Col. Andrew Hansen, 51st Fighter Wing commander, receives an overview of the NASA DC-8 that is part of the Korea United States-Air Quality (KORUS-AQ) Experiment 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 (NIER) that will advance the ability to monitor air pollution more accurately from space. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

Marc Knapper, U.S. Embassy Seoul deputy chief of mission, and Col. Andrew Hansen, 51st Fighter Wing commander, step on board the NASA DC-8 that is part of the Korea United States-Air Quality (KORUS-AQ) Experiment at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ is a step toward an international effort to develop a global air quality observation system that will include satellites from both countries and a network of surface monitoring sites, models, and airborne sampling.(U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)
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Marc Knapper, U.S. Embassy Seoul deputy chief of mission, and Col. Andrew Hansen, 51st Fighter Wing commander, step on board the NASA DC-8 that is part of the Korea United States-Air Quality (KORUS-AQ) Experiment at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ is a step toward an international effort to develop a global air quality observation system that will include satellites from both countries and a network of surface monitoring sites, models, and airborne sampling.(U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)

Osan Air Base, Republic of Korea -- James Crawford, NASA lead U.S. scientist for Korea United States-Air Quality (KORUS-AQ) Experiment, points out the NASA DC-8 jet that will be participating on the Korea United States-Air Quality (KORUS-AQ) Experiment at Osan Air Base, Republic of Korea, April 29, 2016. KORUS-AQ will collect air quality data over the Republic of Korea using aircraft, ground sites and ships from May 2 until June 12. The U.S. and South Korean aircraft will conduct coordinated flights from Osan Air Base. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen/Released)