epa04935723 US Secretary of Defense Ashton Carter (L) awards civilian Anthony Sadler (R) the Department of Defense Medal of Valor for his role in disarming a gunman on a Paris-bound train on 21 August, at the Pentagon in Arlington, Virginia, USA, 17 September 2015. US Air Force Airman 1st Class Spencer Stone received the Airman's Medal and Purple Heart; US Army Specialist Alek Skarlatos received the Soldier's Medal; and Anthony Sadler received the Department of Defense Medal of Valor for their roles in disarming the gunman. EPA/MICHAEL REYNOLDS