Why does the US have the Tomb of the Unknowns?

The Tomb of the Unknowns, located at Arlington National Cemetery, serves to honor and remember unidentified soldiers who died in combat, symbolizing the sacrifices made by all military personnel. Established in 1921, it represents the nation's commitment to those who served and the profound loss of life in war, providing a place for reflection and remembrance. The tomb emphasizes the importance of recognizing and honoring the sacrifices of all veterans, irrespective of their individual identities.