Editor’s Note: This article is adapted from Tom Cotton’s new book, Sacred Duty: A Soldier’s Tour at Arlington National Cemetery. The story of the Tomb of the Unknown Soldier begins on the ...

Five years later, the first soldiers were assigned to guard the Tomb of the Unknown Solider at the cemetery to discourage visitors from climbing or stepping on it. In 1937, the guarding became a ...

Perched atop a hill at Arlington National Cemetery, the American Tomb of the Unknown Soldier stands quietly, remembering ...