Centennial Commemoration Members of the Crow Nation perform in the Memorial Amphitheater during the Tomb of the Unknown Soldier Centennial Commemoration at Arlington National Cemetery, Va., Nov. 9, 2021. SHARE IMAGE: Download Image: Full Size (1.39 MB) Tags: tomb of the unknown soldier, Army Photo By: Elizabeth Fraser, Army VIRIN: 211109-A-IW468-887.JPG Photo Gallery