Aizona Run for the Fallen
U.S. Army Specialist Lance Clarks' parents accept a hero marker from a participant during the Arizona Run for the Fallen event in Tucson, Ariz., Oct. 18, 2013. Participants ran more than 140 miles to honor the memory of the fallen service members from Arizona who died during Operation Iraqi Freedom, Operation Enduring Freedom or Operation New Dawn and their families. (U.S. Air Force photo by Senior Airman Sivan Veazie/Released)