Train hero Staff Sgt. Spencer to leave Air Force in 2016

Defense Secretary Ash Carter shakes hands with then-Airman 1st Class Spencer Stone after presenting him the Airman's Medal on Sept. 17.

Photo: Scott Ash/Air Force

Staff Sgt. Spencer Stone — promoted two ranks and awarded the Purple Heart and Airman's Medal for his heroism when he and two friends sprang into action in August to disarm a terrorist about to massacre dozens on a train heading to Paris — plans to leave the Air Force in 2016. Staff Writer of the Air Force Times, Stephen Losey, reports.

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