U.S. Air Force pararescuemen also known as PJ (para-jumper) from the, Alaska Air National Guard Joint Base Elmendorf-Richardson, Alaska, and (Pararescue/Guardian Angels) from Davis-Monthan AFB Ariz., provide medical treatment to a simulated wounded service member during simulated mass casualty combat training scenario July 30, 2014. The PJs are responsible for providing emergency and lifesaving services to military personnel and civilians in both peacetime and combat environments, they go behind enemy lines before anyone else to set on a drop zone/air field and help call in fire support.