A U.S. Airman assigned to the Alaska Air National Guard's 212th Rescue Squadron participates in a mass-casualty training event at Joint Base Elmendorf-Richardson, Alaska, May 4, 2016.
The exercise consisted of a tactical foot patrol in the woods on the joint base, where the rescue team members search for reported casualties. (U.S. Air National Guard photo by Staff Sgt. Edward Eagerton). Original public domain image from Flickr