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A tomb guard walking past the Tomb of the Unknown Soldier as the sun rises directly over their head.

A guard walks at sunrise at the Tomb of the Unknown Soldier in Arlington National Cemetery in Virginia, Tuesday, March 17, 2026. (Eric Kayne/Stars and Stripes)

The Tomb of the Unknown Soldier at Arlington National Cemetery in Virginia will reach a milestone of being continuously guarded by service members for 100 years on March 25.

The tomb was established in the wake of World War I, when an unknown soldier who died in the war was interred on Nov. 11, 1921, according to a news release by the Army’s 3rd Infantry Regiment. It did not have an assigned military guard until March 25, 1926, after the Army’s deputy chief of staff ordered such a presence over concerns the monument was not properly respected.

It was a daytime guard until July 1, 1937, when it became guarded 24 hours a day, seven days a week in all weather conditions.

A guard marches with trees in the background.

A tomb guard at sunrise on Tuesday, March 17, 2026. (Eric Kayne/Stars and Stripes)

The silhouette of a tomb guard and their rifle at sunrise.

A tomb guard at sunrise on Tuesday, March 17, 2026. (Elizabeth Fraser/U.S. Army)

A guard walking at sunrise, seen from a distance

A tomb guard at sunrise on Tuesday, March 17, 2026. (Elizabeth Fraser/U.S. Army)

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