U.S. Air Force Staff Sgt. Matthew Aronhalt, an explosive ordnance disposal technician with the 379th Expeditionary Civil Engineer Squadron, 379th Air Expeditionary Wing, performs a visual inspection of the simulated blast area during a mass casualty exercise at an undisclosed location in Southwest Asia, April 6, 2012. The exercise was created to evaluate first responder capabilities and emergency response procedures. (U.S. Air Force photo by Staff Sgt. Nathanael Callon)
Staff Sgt. Nathanael Callon
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