Osan test their ATSO during Beverly Herd 16-2
Staff Sgt. Michael Campbell, 51st Communications Squadron client systems technician, shoots back from a defensive fighting position during a mock attack from opposing forces at Osan Air Base, Republic of Korea, Aug. 25, 2016. The mock attack was a scenario during exercise Beverly Herd 16-2 designed to test Osan’s Airmen to test their ability to survive and operate during contingency operations. (U.S. Air Force photo by Staff Sgt. Jonathan Steffen)

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Photo by: Staff Sgt. Jonathan Steffen |  VIRIN: 160825-F-UI176-092.JPG