U.S. Army Spc. Brett Hyde, with the 3rd U.S. Infantry Regiment (The Old Guard), performs sentinel duty at the Tomb of the Unknowns before the arrival of Hurricane Sandy Oct. 29, 2012, at Arlington National Cemetery in Arlington, Va.

U.S. Army Spc. Brett Hyde, with the 3rd U.S. Infantry Regiment (The Old Guard), performs sentinel duty at the Tomb of the Unknowns before the arrival of Hurricane Sandy Oct. 29, 2012, at Arlington National Cemetery in Arlington, Va.