It is a honor for a soldier that protects and serves the United states of America.
It is to Honor a soldier whose name is not known but whose sacrifice will not be forgotten. It truly is a very sacred and honorable commitment by the Army. I SALUTE there efforts.
For respect and to protect it
It's an honor guard
To honor the tombs and make sure no one tries to attack. Their guns aren't loaded but they have the knives on their guns.
To protect the tomb and keep it a respectable place
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