Airmen assigned to the 4th Medical Group apply an oxygen mask to a simulated victim during a Code Blue exercise, Oct. 16, 2015, at Seymour Johnson Air Force Base, N.C. Code Blue is a hospital emergency code used to alert medics of a patient requiring resuscitation, or in need of immediate medical attention. (U.S. Air Force photo/Airman 1st Class Ashley Williamson)
<br>Unit: 4th Fighter Wing
Airman 1st Class Ashley Williamson
Taken on 16 October 2015
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