U.S. Army Sgt. Jose Guzman, a health care specialist with Headquarters and Headquarters Company, 1st Air Cavalry Brigade, 1st Cavalry Division, provides security as his teammates evacuate a mock casualty from the simulated wreckage of a UH-60 Black Hawk helicopter during pre-deployment trauma training at Fort Hood, Texas, May 3, 2013.  (U.S. Army photo by Sgt. Christopher Calvert/Released)
Sgt. Christopher Calvert
Taken on 3 May 2013
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