The remains of an unknown soldier were discovered in 2012.
Near the tree are the graves of seven unknown soldiers.
He saw it fall and be dragged up by an unknown soldier.
Every war leaves behind unknown soldiers, missing remains and other mysteries.
Officials at the Pentagon have already begun to ask whether there should even be a new search for an unknown soldier.
At the west end of the front walk is a marker for an unknown Confederate soldier.
He might as well be called the unknown soldier.
Besides these works, the portrait of an unknown soldier was also painted.
The graves of over 100 "unknown" Confederate soldiers are also located here.
Graves of soldiers, known and unknown, are distinguished by their markers.