NASA kicks off air quality study at Osan

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)