Sgt. Dakota Meyer

In this undated photo released by the U.S. Marines, then Cpl. Dakota Meyer, now a Sgt., second from right, poses for a photo while deployed in support of Operation Enduring Freedom in Ganjgal Village, Kunar province, Afghanistan. The White House announced the 23-year-old Marine scout sniper from Columbia, Ky., who has since left the Marine Corps, will become the first living Marine to be awarded the Medal of Honor in decades for his actions in Afghanistan. (AP Photo/U.S. Marines)