Kunsan Airmen Participate in RED FLAG-Alaska 14-3
Senior Airman Adam Nop purges a liquid oxygen cart during Red Flag-Alaska 14-3 Aug. 19, 2014, on Eielson Air Force Base, Alaska. At high altitudes, pilots must breathe with oxygen-supplemented breathing systems to compensate for the decreased air pressure. Nop is a 80th Aircraft Maintenance Squadron crew chief assigned to Kunsan Air Base, South Korea. (U.S. Air Force photo/Senior Airman Peter Reft)

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Photo by: Senior Airman Peter Reft |  VIRIN: 140819-F-YW474-648.JPG