Watch The Unknowns

Witness volunteers from the U.S. Army's most elite ceremonial unit take on the training cycle at the Tomb of the Unknown Soldier in Arlington National Cemetery. Watch as these soldiers are exposed to the rich history and honorable traditions of the brotherhood of Sentinels who guard the Tomb, while they learn what it means to protect our Nation's Patriots amidst America's most hallowed grounds.

The Unknowns is a 2016 documentary with a runtime of 1 hour and 24 minutes. It has received mostly positive reviews from critics and viewers, who have given it an IMDb score of 8.7.