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. ( Air Force photo by Staff Sgt. Jonathan Steffen/Released)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, force, usaf