A U.S. airman who helped disarm a gunman on a Paris-bound train last month will receive a Purple Heart medal, the U.S. Air Force leader said on Monday, in an unusual award of the honor to a serviceman wounded while not in a combat zone. (snip) In addition to the Purple Heart, Stone will receive the Airman’s Medal, the Air Force’s highest non-combat award for bravery. The medals will be awarded at a ceremony at the Pentagon this week.