The Tomb of the Unknown Soldier

Spc. Brett Hyde, Tomb Sentinel, 3d U.S. Infantry Regiment, takes his 21 steps across a water-soaked mat while guarding the Tomb during Hurricane Sandy at the Tomb of the Unknown Soldier, Arlington National Cemetery, Va., Oct. 29, 2012. The Tomb is guarded 24 hours a day, 7 days a week. Snow, rain, wind or heat has never stopped the Tomb Sentinels from guarding the tomb for more than 64 years. (U.S. Army Photo by Sgt. Jose A. Torres Jr./OldGuard/Facebook)