Within four hours, more than a thousand Old Guard Soldiers will place an American flag one foot in front of, and centered, at more than 280,000 headstones to honor every individual buried at Arlington National Cemetery. Old Guard Soldiers will also place an American flag at the foot of each Columbarium to account for the more than 400,000 interred.

Within four hours, more than a thousand Old Guard Soldiers will place an American flag one foot in front of, and centered, at more than 280,000 headstones to honor every individual buried at Arlington National Cemetery. Old Guard Soldiers will also place an American flag at the foot of each Columbarium to account for the more than 400,000 interred.