At Arlington National Cemetery, the solemn precision of the 3rd U.S. Infantry Regiment (The Old Guard) reflects a deep tradition of honor and remembrance that stretches back to 1784, making it the oldest active-duty infantry unit in the U.S. Army. Known as “The Old Guard,” this elite regiment serves as the Army’s official ceremonial unit, but it is most widely recognized for guarding the Tomb of the Unknown Soldier. Established after World War I, the tomb holds the remains of unidentified American service members, symbolizing all those who gave their lives in service but were never identified or returned home. Since 1937, soldiers of the Old Guard have maintained a continuous vigil at the tomb, walking a precise 21-step routine that honors the highest military salute. Rain, snow, or darkness, the guard never stops—a powerful reminder of unwavering respect for sacrifice. For visitors, witnessing the quiet discipline of the sentinel is a moving experience, connecting the present to generations of service and sacrifice etched into the nation’s history.
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