Ceremony Walk A soldier assigned to the 3rd U.S. Infantry Regiment, known as “The Old Guard,” walks the mat at the Tomb of the Unknown Soldier during a Veterans Day Observance at Arlington National Cemetery, Va., Nov. 11, 2020. SHARE: Download: Full Size (0.56 MB) Tags: Army Credit: Elizabeth Fraser, Army VIRIN: 201111-A-IW468-684C.JPG Photo Gallery