Every Memorial Day at Arlington National Cemetery members of the military lay flags on each tombstone.
This week 1500 honored over 300,000 fallen comrades.
"This is my last time into this Arlington Cemetery with the Old Guard. This is actually my 4th year of doing it. I think behind each one of these there is a story; there's a father or a mother, or a son, or a brother. There's a little bit about each person on the tombstone itself that tells a little bit about what their career might have been like, where they've been. It just makes you think about, you know, about each person, and their own story and, I read each one as I lay the flag. I think about what they go through, what they went through, and what their family goes through....and it's a very profound sort of thing", says Staff Sergeant Kevin Koons.
Almost four million people visit Arlington National Cemetery annually.
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