90th Medical Group conducts mass COVID-19 testing
Captain Hyun Yoon conducts a COVID-19 swab test May 20, 2020 at the base clinic on F. E. Warren Air Force Base, Wyo. The effort was intended to ensure the medical readiness of personnel tripping out to the missile field. Medical group staff tested about 250 personnel throughout the day. (U. S. Air Force photo by Glenn S. Robertson)

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Photo by: Glenn S. Robertson |  VIRIN: 200520-F-EK405-1053.JPG