Wednesday, November 11, 2026

Question: Which U.S. Army regiment keeps watch over the Tomb of the Unknown Soldier at Arlington National Cemetery?

Answer: The 3rd U.S. Infantry Regiment, known as “The Old Guard,” keeps continuous watch over the Tomb of the Unknown Soldier at Arlington National Cemetery. These elite soldiers, called Tomb Guards or Sentinels, perform the solemn duty 24 hours a day, year-round, in all weather conditions.