Col. David Anders, 3d U.S. Infantry Regiment (The Old Guard) Commander, and Command Sgt. Maj. David Martel, Regimental Sergeant Major, stand with Staff Sgt. Leon Baudoux, who serves as a Sentinel at the Tomb of the Unknown Soldier. Baudoux earned the Tomb of the Unknown Soldier Identification Badge #585 during a ceremony on Sept. 8 , 2010 at Arlington National Cemetery. The Tomb Badge is the least awarded badge in the U.S. Army.