Somber Ceremony Tomb guards assigned to the 3rd U.S. Infantry Regiment, known as “The Old Guard,” conduct the changing of the guard at the Tomb of the Unknown Soldier in Arlington National Cemetery, Va., Sept. 11, 2024. SHARE: Download: Full Size (0.41 MB) Tags: History, Veterans, Army Credit: Elizabeth Fraser, Army VIRIN: 240911-A-IW468-6719.JPG Photo Gallery